GSI InterSystems, Steiner, Dalton Ag, Turfco, Yanmar - Traqnology

STANDARD BLEND TOWER HORIZONTAL MIXING BLEND TOWER HYBRID TOWER ? Storage of up to 300 tons ? Up to 18-ton capacity weigh hopper ? Up to 18-ton vertical tapered auger blenders ? Largest two-stage gates in the industry ? Re-elevate ? Blender bypass ? 2nd lane wholesale spout ? Impregnation ? Galvanized support structure ? 300 tons of storage ? Two 8-ton weigh hoppers ? 8-ton paddle and ribbon high speed, high quality, high efficiency blender ? 16-ton surge hopper ? Blender bypass ? Re-elevate ? 2nd lane wholesale ? Impregnation ? Galvanized support structure ? 300 tons of storage ? Three weigh hopper design: ? Two 16 or 18-ton and ? One 5-ton for micros ? Retail and Wholesale built into one tower ? Blend and Wholesale simultaneously to two lanes without sacrificing speed ? Re-elevate ? Blender bypass ? Impregnation ? Galvanized support structure

This is a new Dalton Double Cone Nurse Trailer that has a 5,000 GL capacity and two Ace 2,500 GL cone bottom poly tanks. It also has a manual hydraulic jack and 280/70R15 Firestone tires. Comes standard with 2” Poly pump with 5 HP Honda Engine; 3” Fill on the rear. This trailer is ideal for liquid storage and transportation. The two cone bottom tanks allow for easy drainage, while the hydraulic jack makes it easy to move the trailer around as needed. The Firestone tires are durable and provide a smooth ride. The Dalton Double Cone Nurse Trailer is perfect for those who need to store and transport large amounts of liquid. The high capacity and easy-to-use design make it an excellent choice for any facility or business that frequently handles liquids. If you need to move large volumes of liquid on a regular basis, this is the perfect trailer for you.

Features Ace 1300 gallon cone bottom tank (15 Degree) NO Brakes 8 bolt (813) hubs [4] 320/70R15 Firestone Radial tires on 15 x 10 rims Light kit Safety Chains Jack Bolt on Step Bolt on Fenders (Pair) Plumbing Kit 2” Plumbing package with a 2” Poly Pump and a Honda 5.5 hp Motor 3” Bottom Fill Plumbing will be installed Options: Cast Iron Pump with 5.5 HP Honda Motor

Save paint and time! Sportstraq is the only GPS guided line marking product on the market that combines sub-inch, repeatable precision, iPad user interface, and professional high-pressure, airless paint system. Initial field layouts only have to be completed once and take less than 5 minutes. Users can create as many field designs as they choose with all data backed up on our cloud. Sportstraq users can line fields all day using high paint capacity skids. Line marking professional size soccer fields can be accomplished in under 15 minutes with total paint consumption under 1.5 US gallons.  Traqnology’s auto steer system drive the UTV with sub-inch accuracy while controlling the paint gun automatically. Simply use the Sportstraq app on the iPad to layout your desired measurements for the selected sport, position the field, and save it for future use. It’s that simple!  Traqnology is not just providing a line marking system; we are offering a game-changing solution that redefines the industry. With our GPS auto steer system, you will experience unparalleled speed, accuracy, and convince. From soccer and football fields to lacrosse or parking lots, our technology is adaptable. Traqnology offers two configurations of our high-pressure, airless painting system.  Option one features a 25 gallon tank with a 5 gallon bucket for clean-out.  Option two features a system to pull from four 5 gallon buckets of paint.  Both configurations use a 5.5 HP gas engine, airless pump, titan paint gun, and 25 feet of hose for hand painting. View Traqnology's Youtube Page

Calling the Steiner 450 just a tractor would be like saying a bulldozer is just a shovel. There’s a difference. And it’s a big one. More versatile, more capable, the 450 can be equipped with over 30 attachments and comes with engine options up to 37 horsepower. With standard four-wheel drive and an articulating, oscillating frame for maximum ground engagement on steep, rugged terrain—then throw in exceptional ride comfort—and you’ve got more than just a small tractor. You’ve got a Steiner tractor.  Built to climb, the 450’s slope rating—up to 30 degrees—is made possible by its wide-stance chassis, oscillating frame, and standard features like four-wheel drive tractors and on-the-fly hydraulic weight transfer, controlled right from the driver’s seat for maximum weight and traction control. Whether you're using it for tractor mowing or other tough tasks, this compact tractor delivers the power and performance you need.  Benefits More Fuel Capacity A 7-gallon, durable, roto-molded fuel tank keeps you going longer without stopping to refuel.   Powerful Engine Options Choose from three reliable engines: a Kubota ® 25-horsepower liquid-cooled diesel, a Kubota ® 32-horsepower liquid-cooled gasoline, or a 37-horsepower Vanguard™ EFI gasoline engine.   Ride Comfort and Control A large operator platform with an adjustable, high-back suspension seat provides all-day ride comfort, while conveniently located controls offer smooth, predictable steering and hands-free speed control.   Hydraulic Weight Transfer & Traction Boost Integrated hydraulic weight transfer and traction boost system provide additional traction and control when needed. It also offers consistent, on-demand weight transfer that’s fully adjustable.   Quick-Hitch™ System Lets operators to conveniently switch out attachments in a matter of minutes — no tools required.   Improved Hydraulics A new stacked gear pump design dramatically increases durability and performance and with 1,750 PSI of lift pressure for more hydraulic power to handle the toughest jobs. Specifications 25 HP Engine Kubota® D902 Max Operating Speed 3600 rpm Fuel Type Diesel Horsepower (Gross) 25 hp Displacement 898 cc Cylinders 3 Cooling Liquid Fuel Capacity 7 gal Charging 40 amp Battery 630 CCA Slope Rating, Continuous 20 Max Slope Rating, Intermittent (10 mins. or less) 30° Max Weight (with Field Trac tires and fuel) 1665 lb   32 HP Engine Kubota® WG972 Max Operating Speed 3600 rpm Fuel Type Gasoline Horsepower (Gross) 32.5 hp Displacement 962 cc Cylinders 3 Cooling Liquid Fuel Capacity 7 gal Charging 40 amp Battery 450 CCA Slope Rating, Continuous 20° Max Slope Rating, Intermittent (10 mins. or less) 30° Max Weight (with Field Trac tires and fuel) 1660 lb   37 HP Engine Vanguard™ M61 Max Operating Speed 3600 rpm Fuel Type Gasoline Horsepower (Gross) 37 hp Displacement 993 cc Cylinders 2 Cooling Air Fuel Capacity 7 gal Charging 50 Amp Battery 450 CCA Slope Rating, Continuous 20° Max Slope Rating, Intermittent (10 mins. or less) 30° Max Weight (with Field Trac tires and fuel) 1575 lb

The Turfco Topdresser WideSpin™ 1550 was designed to help you achieve your agronomic goals, increase staff productivity, and free up your time. With Turfco's patented hydraulic system and spinner design, along with our Smart Controller, you can be confident you're getting the application you want every time. Reduce up to 720 passes per year and minimize turf traffic to achieve the most playable, beautiful lawn.  OVERVIEW The Turfco Topdresser Edge started with listening to what frustrates superintendents when it comes to top dressing. We heard they were tired of doing wheel-to-wheel spreads, overlapping spreads, dealing with complicated mechanical adjustments, and wasting time checking in with their crews to verify spread settings.  The WideSpin™ 1550 solves these problems and more. Calculating and knowing your rates is easier. Adjusting settings is easier. Saving preferred settings is easier. Loading is easier. Topdressing greens, approaches, and tees at the same time is easier. And getting the exact spread you want, every time, is easier.  Our unique design makes it easy to get whatever width and rate you want, without having to do mechanical adjustments. You can save your preferred applications into four programmable presets, changing widths and rates on the fly, increasing productivity, eliminating guesswork, and freeing up your time.  WideSpin 1550 topdressers are available in truck-mounted and tow behind top dresser models with engine or hydraulic power options. You can choose between Standard Electronic Control or upgrade to our patented digital Smart Controller. Standard Electronic Control models are easy to use and offer good value for the money. Smart Controller models offer rate calculation and programmable presets for greatest productivity and labor savings.  KEY FEATURES Get the exact spread you want as you move from greens to approaches to tees, at the push of a button. Know your application rates and determine how much material you need to budget — all for the first time ever with our on-board calculator. Reduce the number of passes and decrease traffic on your greens with WideSpin edge-to-edge applications. Drive topdressing down into the turf canopy by adjusting the spinner angle, minimizing the need for brushing and eliminating variations in spread due to moisture content (spreads the same wet or dry). Refill the hopper faster and with less spillage – galvanized hopper has 20% greater capacity and wide opening fits an 80" bucket. Three-year warranty. BEST SPREAD IN THE INDUSTRY For the first time ever, you can set up and save your applications one time — then get your perfect spread every time. With Turfco’s patented technologies, you can reduce greens passes, minimize turf traffic, and get a more consistent spread.  REDUCED PASSES Save time and reduce wear on your greens with Turfco's patented WideSpin™ edge-to-edge technology. Decrease the number of passes on your greens by up to 720 times per year* as compared to the wheel-to-wheel method. Improve productivity and save time; unique 30-foot wide, even spread makes it possible to cover an average-size green in just two passes. Dramatically reduce traffic on your greens, reducing the potential for soil compaction and hydraulic leaks. *18 greens, 10 times a year.  CALCULATE AND LOCK-IN PREFERRED APPLICATIONS Know your application rates, calculate the rates you want, and determine how much material you need to budget with our on-board calculator. Smart Controller lets you save your preferred applications into four programmable presets, allowing you to switch between widths and rates as you move from greens to approaches to tees at the push of a button.  ADJUSTABLE SPINNER Drive topdressing down into the turf canopy by adjusting the spinner angle, minimizing the need for brushing and eliminating variations in moisture content (spreads the same wet or dry).  LARGE HOPPER Large, galvanized steel hopper has increased capacity and is wider, making it easier to fill and less often! Refill the hopper faster and with less spillage — has 20% greater capacity and wider opening fits an 80” bucket.  SPECIFICATIONS                                Model Tow-Behind 1550 Models: Engine-powered w/Smart Control (#85828); Engine-powered w/ Standard Electronic Control (#85829); Hydraulic-powered w/Smart Control (#85824); Hydraulic-powered w/Standard Electronic Control (#85825) Warranty 3 Years Engine / Models 13 HP Briggs and Stratton (engine-powered models only) Operator Control SMART: 3-position switch; 4 programmable presets; onboard rate calculator; instantaneous belt and spinner speed control; instant throttle down control (engine powered)      STANDARD Electronic: Standard 3-position switch with manual control for spinner and belt speed Weight Tow-Behind Models: Engine-powered: 1,324 lbs (601 kg);  Hydraulic-powered: 1,021 lbs (463 kg) Truck-Mounted Models: 710 lbs w/o mounting (322 Kg) Hopper Capacity 21 ft3 (0.59 m3) struck level; 25 ft3 (0.71 m3) heaped Hopper Size 80" x 36.5" (2.03 x 0.92 m) at the top Spreading Width 12' up to 40' (2.7 up to 12 m) Spread Application 0.45 ft3 per 1,000 ft3 up to 12 ft3 per 1,000 ft3 Ground Speed Up to 8 MPH (12.8 km/h) Conveyor Belt 18" (0.46 m) wide pebble surface composition with heavy-duty polyester cord Metering Gate Manually operated with Light Spread/Heavy Spread Calibrations Drive Engine Powered: Engine powered Hydraulics / Hydraulic Powered: Tow vehicle powered hydraulics Wheels 4 Ply 26.5 x 14.00 x 12 Turf (tow-behind model)

The Turfco WideSpin™ 1550 (Truck-Mounted model) was designed to help you achieve your agronomic goals, increase staff productivity and free up your time. With Turfco's patented hydraulic system and spinner design, along with our Smart Controller, you can be confident you're getting the application you want every time. Reduce up to 720 passes per year and minimize turf traffic to achieve the most playable, beautiful golf course OVERVIEW The Turfco Edge started with listening to what frustrates superintendents when it comes to topdressing. We heard they were tired of doing wheel-to-wheel spreads, overlapping spreads, dealing with complicated mechanical adjustments, and wasting time checking in with their crews to verify spread settings. The WideSpin™ 1550 solves these problems, and more. Calculating and knowing your rates is easier. Adjusting settings is easier. Saving preferred settings is easier. Loading is easier. Topdressing greens, approaches and tees at the same time is easier. And getting the exact spread you want, every time, is easier. Our unique design makes it easy to get whatever width and rate you want, without having to do mechanical adjustments. You can save your preferred applications into four programmable presets, changing widths and rates on the fly, increasing productivity, eliminating guesswork and freeing up your time. WideSpin 1550 Topdressers truck-mounted model was designed to fit all major turf vehicles. You can choose between Standard Electronic Control or upgrade to our patented digital Smart Controller. Standard Electronic Control models are easy to use and offer good value for the money. Smart Controller models offer rate calculation and programmable presets for greatest productivity and labor savings. KEY FEATURES Truck-mounted option with patented hydraulic system and spinner design fits all major turf vehicles. Get the exact spread you want as you move from greens to approaches to tees, at the push of a button. Know your application rates, and determine how much material you need to budget — all for the first time ever with our on-board calculator. Reduce the number of passes and decrease traffic on your greens with WideSpin edge-to-edge applications. Drive topdressing down into the turf canopy by adjusting the spinner angle, minimizing the need for brushing and eliminating variations in spread due to moisture content (spreads the same wet or dry). Refill the hopper faster and with less spillage – galvanized hopper has 20% greater capacity and wide opening fits an 80" bucket. Three year warranty BEST SPREAD IN THE INDUSTRY For the first time ever, you can set up and save your applications one time — then get your perfect spread every time. With Turfco’s patented technologies, you can reduce greens passes, minimize turf traffic, and get a more consistent spread. REDUCED PASSES Save time and reduce wear on your greens with Turfco's patented WideSpin™ edge-to-edge technology. Decrease the number of passes on your greens by up to 720 times per year* as compared to the wheel-to-wheel method. Improve productivity and save time; unique 30-foot wide, even spread makes it possible to cover an average-size green in just two passes. Dramatically reduce traffic on your greens, reducing the potential for soil compaction and hydraulic leaks. *18 greens, 10 times a year. CALCULATE YOUR SPREAD Know your application rates, calculate the rates you want, and determine how much material you need to budget with our on-board calculator. Smart Controller lets you save your preferred applications into four programmable presets, allowing you to switch between widths and rates as you move from greens to approaches to tees at the push of a button. ADJUSTABLE SPINNER Drive topdressing down into the turf canopy by adjusting the spinner angle, minimizing the need for brushing and eliminating variations in moisture content (spreads the same wet or dry). LARGER HOPPER Large, galvanized steel hopper has increased capacity and is wider, making it easier to fill and less often! Refill the hopper faster and with less spillage — has 20% greater capacity and wider opening fits an 80” bucket. SPECIFICATIONS <table style="border:1px solid black;border-collapse:collapse;padding:1px "> Model Hydraulic Powered (Toro, John Deere & Jacobsen); 1550 Smart Control (#85822) or 1550 Standard Electronic Control (#85823) Operator Control Smart: 3-position switch; 4 programmable presets; onboard rate calculator; instantaneous belt and spinner speed control - Standard Electronic: Standard 3-position switch with manual control for spinner and belt speed Weight 710 lbs without mounting kit (322 Kg) - Empty Weight Hopper Capacity 21 ft3 (0.59 m3) struck level; 25 ft3 (0.71 m3) heaped Hopper Size 80" x 36.5" (2.03 x 0.92 m) at the top Spreading Width 12' up to 40' (2.7 up to 12 m) Spread Application 0.45 ft3 per 1,000 ft3 up to 12 ft3 per 1,000 ft3 using patented WideSpin Technology Ground Speed Up to 8 MPH (12.8 km/h) Conveyor Belt 18" (0.46 m) wide pebble surface composition with heavy-duty polyester cord Metering Gate Manually operated with Light Spread/Heavy Spread Calibrations Drive Truck Powered Hydraulics Warranty 3 Years

Mete-R-Matic®, the best-known brand in topdressing, sets the standard for uniform application. The Mete-R-Matic IV is the ideal choice for golf greens, tees, driving ranges, and sports fields. The patented Chevron® belt guarantees a uniform application of all types of materials regardless of moisture content, including top dresser sand and soil top dresser applications. The patented ground drive system means that you're always getting a consistent rate, regardless of how fast or slow the operator drives. No hydraulics, no pumps, no engines. Just set your application rate and go with this top dresser machine. OVERVIEW  The Mete-R-Matic® IV, featuring a patented Chevron® belt, is the first and only top dressing spreader to ensure uniform application of all types of materials and varying levels of moisture content, including wet sand. Perfect for after aerification, it consistently applies a wide variety of top dressing lawn mixtures such as sand, organic compost, peat humus, and rye grass, as well as crumb rubbers, gypsum, lime, and calcine clays.  Ideal for golf greens, cultured grasses, and other areas sensitive to weight, this Turfco topdresser utilizes an eco-friendly, patented ground-drive system. When you speed up, slow down, or cross uneven terrain, the conveyor belt and brush automatically adjust at the same rate to provide a consistent and even application every time. No hydraulics, no pumps, and no engines. Just hook up and go.  A wide, galvanized hopper won't rust or flake and is easily loaded with the Turfco CR-15 or other front-end loaders. Easily towed by turf truck vehicles, the Mete-R-Matic IV is designed to handle any topdressing program.  KEY FEATURES Patented ground drive system means you're always getting a consistent rate, regardless of how fast or slow the operator drives. Eco-friendly ground drive — no hydraulics, pumps, or engines. Patented Chevron is the first and only belt to ensure uniform application of all types of materials with varying levels of moisture, including wet sand, organic compost, peat humus, and rye grass, as well as crumb rubbers, gypsum, lime, and calcine clays. All six wheels drive the machine for consistent application on uneven terrain. Wide hopper design is easily loaded with a front-end loader or the Turfco® CR-15. Easily towed by turf truck vehicles. Proven, battle-tested design has been the standard of the industry since 1981. Galvanized hopper (no rusting — or potential rust flakes in topdressing material). CONSISTENTLY APPLY WET OR DRY Turfco Mete-R-Matic topdressers, featuring a patented Chevron belt, are the first and only to ensure uniform application of all types of materials and varying levels of moisture content, including wet sand. You can consistently apply a wide variety of topdressing mixtures such as sand, organic and inorganic compost, peat and humus, rye grass, as well as crumb rubbers, gypsum, lime, and calcine clays. ECO-FRIENDLY GROUND DRIVE The Mete-R-Matic IV utilizes a patented ground-drive system. When you speed up, slow down, or cross uneven terrain, the conveyor belt and brush automatically adjust at the same rate to provide a consistent and even application every single time. No hydraulics, no pumps, and no engines. Just hook up and go with the Turfco topdresser. TACKLE ANY TOPDRESSING JOB Our one-cubic-yard hopper with a unique half-moon metering gate makes quick work of any topdressing task. Set your rate and know that your operator will get that rate all day long. Easily towed by turf truck vehicles. Simple and intuitive design, combined with a three-year warranty, guarantees you and your staff can complete your applications with confidence. Whether you need to apply top dressing lawn treatments or other materials, the top dresser machine provides efficient, reliable results every time. SPECIFICATIONS Model 85424 Drive Wheels are driven by the ground; all six tires mechanically drive the conveyor and brush; no engine; no hydraulic system Hopper Capacity 1 yd3 (0.76 m3) Hopper Size Top: 73 ½" x 39 3/8" (1.87 m x 1.00 m), Bottom: 60" x 20" (1.5 m x 0.51 m), Depth: 19" (0.48 m) Spreading Width 60" (1.5 m) Topdressing Speed Up to 8 MPH (12.8 km/h) Transport Speed Empty: up to 15 MPH (24 km/h), Loaded: up to 8 MPH (12.8 km/h) Application From very fine to ¼" (6.5 mm) Conveyor Belt Wide rubber composition with patented, Chevron belt 60" (1.5 m) Metering Gate Taintor gate design is easily adjusted and provides a uniform opening up to 2 ¼" (57 mm) Brush 9" (228 mm) diameter, polypropylene bristle Controls Electric clutch actuator to engage conveyor and brush. Metering gate control for depth of application. Clutch The main clutch is a mechanical ratchet design actuated electrically from the operator’s position on the tow vehicle. Wheels & Tires Six, 16" x 6.50" x 8" rib tread turf tires Hitch Heavy-duty pin hitch Empty Weight 882 lb (400 kg) Warranty 3 Years

Mete-R-Matic®, the best-known brand in topdressing, sets the standard for uniform application. The Mete-R-Matic XL with a 2.25 cubic yard hopper is the ideal choice for large turf areas, requiring less reloading and transportation for increased efficiency and productivity. The patented Chevron belt guarantees a uniform application of all types of materials regardless of moisture content. The patented ground drive system means that you're always getting a consistent rate regardless of how fast or slow the operator drives. No hydraulics, no pumps, no engines. Just set your application rate and go. OVERVIEW The Mete-R-Matic® XL is ideal for large turf areas with 2.25 cubic yards, less reloading and transportation.  Featuring a patented Chevron® belt, the Mete-R-Matic series was the first to ensure uniform application of all types of materials and varying levels of moisture content, including wet sand. Perfect for after aerification. You can consistently apply a wide variety of topdressing mixtures such as sand, organic compost, peat humus, and rye grass, as well as crumb rubbers, gypsum, lime and calcine clays. This topdresser utilizes an eco-friendly, patented ground-drive system. When you speed up, slow down or cross uneven terrain, the conveyor belt and brush automatically adjust at the same rate to provide a consistent and even application every time. No hydraulics, no pumps and no engines. Just hook up and go. The large, galvanized hopper won't rust or flake and is easily loaded with the Turfco CR-15 or other front-end loader. The Mete-R-Matic XL is designed to handle any topdressing program. KEY FEATURES 2.25 Cubic yard hopper requiring less transportation and reloading  Patented ground drive system means that you're always getting a consistent rate regardless of how fast or slow the operator drives. Eco-friendly ground drive - no hydraulics, pumps or engine. Patented Chevron belt is the first and only to ensure uniform application of all types of materials with varying levels of moisture, including wet sand. Wide hopper design is easily loaded with front-end loader or the Turfco® CR-15. Proven, battle-tested design has been the standard of the industry since 1981. Galvanized hopper (no rusting—or potential rust flakes in topdress material). 3-Year warranty. CONSISTENTLY APPLY WET OR DRY Turfco Mete-R-Matic topdressers, featuring a patented Chevron ®  belt, are the first and only to ensure uniform application of all types of materials and varying levels of moisture content, including wet sand. You can consistently apply a wide variety of topdressing mixtures such as sand, organic and inorganic compost, peat and humus, rye grass, as well as crumb rubbers, gypsum, lime and calcine clays. ECO-FRIENDLY GROUND DRIVE The Mete-R-Matic XL utilizes a patented ground-drive system. When you speed up, slow down or cross uneven terrain, the conveyor belt and brush automatically adjust at the same rate to provide a consistent and event application every single time. No hydraulics, no pumps and no engines. Just hook up and go. TACKLE ANY TOPDRESSING JOB At 2.25 cubic yards, the Mete-R-Matic XL is ideal for large turf areas, requiring less reloading and increasing transportation efficiency. The larger capacity hopper can easily be filled with a Turfco CR-15  or other front-end loader. Made of galvanized steel, the self-cleaning hopper won't rust or flake. SPECIFICATIONS <table style="border:1px solid black;border-collapse:collapse;padding:1px "> Model 85460 Drive Wheels are driven by the ground; all tires mechanically drive the conveyor and brush; no engine; no hydraulic system Hopper Capacity 60.75 ft3 (1.72 m3; 2.25 yd3), galvanized panels Hopper Size Top: 79" x 65" (2.0 m x 1.7 m), Bottom: 60" x 46" (1.5 m x 1.17 m), Depth: 19" (0.48 m) Payload 6,000 lb (2,721 kg) Spreading Width 60" (1.5 m) Topdressing Speed Up to 8 MPH (12.8 km/h) Transport Speed Up to 8 MPH (12.8 km/h) Conveyor Belt Wide rubber composition with patented Chevron belt 60" (1.5 m) Metering Gate Taintor gate design is easily adjusted and provides a uniform opening up to 2 ¼" (57 mm) Brush 9" (228 mm) diameter, polypropylene bristle Controls Electrically operated clutch for conveyor and brush drive. Metering gate adjusted by hand. Clutch The main clutch is a mechanical ratchet design actuated electrically from the operator’s position on the tow vehicle Wheels & Tires Two, 33" x 15.50" – 16.5" flotation tires Hitch Adjustable height clevis 1" pin hitch Tractor Requirements Minimum of 30 HP (22.4 kW) Empty Weight 2,110 lb (957 kg) Electrical Requirements 12 volt DC, negative ground (electrical power provided by tow vehicle)