RK Tractors
RK Tractors RK37S
The RK Tractors RK37S is a compact utility tractor built by TYM and distributed by RK Tractors (a part of Rural King) since 2017. It features a 37.4 hp Yanmar 1.6L 3-cylinder diesel engine with common rail direct injection, a 12-speed syncro shuttle transmission, and four-wheel drive. The tractor includes power steering, wet disc brakes, and a two-post ROPS for safety. It has a 9-gallon fuel tank and a PTO rated at 30.2 hp. The RK37S supports various attachments including a front-end loader and backhoe, making it versatile for multiple tasks. It has a wheelbase of 64.5 inches, weighs 3065 lbs, and comes with standard agricultural tires. Electrical system features a 12-volt battery with a 55-amp alternator.
Power37 hp
Founded2017 -
ModelRK37S
Technical Specifications
Detailed specifications and technical data for RK Tractors RK37S
Power
| PTO (claimed) | 30.2 hp (22.5 kW) |
|---|---|
| Engine (gross) | 37.4 hp (27.9 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Yanmar 3TNV88-CR |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 3-cylinder |
| Fuel tank | 9 gal (34.1 L) |
| Rated RPM | 3000 |
| Bore/Stroke | 3.39x3.54 inches (86 x 90 mm) |
| Fuel system | common rail direct injection |
| Displacement | 100.2 ci (1.6 L) |
| Power (gross) | 37.4 hp (27.9 kW) |
| Starter volts | 12 |
Variants
| RK37H | hydrostatic ROPS |
|---|---|
| RK37S | shuttle ROPS |
| RK37HC | hydrostatic cab |
| RK37SC | shuttle cab |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging amps | 55 |
| Charging system | alternator |
Hydraulics
| Valves | 1 |
|---|---|
| Pump flow | 6.4 gpm (24.2 lpm) |
| Total flow | 11 gpm (41.6 lpm) |
| Steering flow | 4.6 gpm (17.4 lpm) |
Mechanical
| ROPS | Two-post ROPS |
|---|
Production
| Type | Compact Utility tractor |
|---|---|
| Distributor | RK Tractors (a part of Rural King) |
| Manufacturer | TYM |
| Original price | $16,999 in 2017 |
Attachments
| Backhoe | RK Tractors BH7.5 Backhoe |
|---|---|
| Loader weight | 1052 lbs (477 kg) |
| Backhoe weight | 1340 lbs Without bucket (607 kg) |
| Front-end loader | L102 Loader |
| Backhoe swing arc | 180° |
| Loader attachment | quick coupler |
| Loader dump angle | 40° |
| Loader bucket width | 62 inches (157 cm) |
| Loader dumped reach | 23.2 inches (58 cm) |
| Loader ground reach | 67.2 inches (170 cm) |
| Backhoe bucket force | 4554 lbs (2065 kg) |
| Backhoe bucket widths | 9 inches (22 cm), 12 inches (30 cm), 16 inches (40 cm), 18 inches (45 cm), 24 inches (60 cm) |
| Loader rollback angle | 30° |
| Backhoe loading height | 90 inches (228 cm) |
| Loader height (at pin) | 102.3 inches (259 cm) |
| Backhoe bucket rotation | 149° |
| Backhoe reach from pivot | 123.6 inches (313 cm) |
| Backhoe transport height | 85.2 inches (216 cm) |
| Backhoe dipperstick force | 2530 lbs (1147 kg) |
| Loader clearance (dumped) | 77.4 inches (196 cm) |
| Loader breakout force (at pin) | 3435 lbs (1558 kg) |
| Backhoe 2-Foot flat digging depth | 91.2 inches (231 cm) |
| Loader lift capacity (full at pin) | 2116 lbs (959 kg) |
Transmission
| Type | syncro shuttle |
|---|---|
| Gears | 12 forward and reverse |
Tractor hitch
| Control | position control |
|---|---|
| Rear Type | I |
| Rear lift (at ends) | 2646 lbs (1200 kg) |
| Rear lift (at 24"/610mm) | 1764 lbs (800 kg) |
Dimensions & Tires
| Width | 53.5 inches (135 cm) |
|---|---|
| Length | 126 inches (320 cm) |
| Weight | 3065 lbs (1390 kg) |
| Wheelbase | 64.5 inches (163 cm) |
| Height (ROPS) | 94.5 inches (240 cm) |
| Lawn/turf rear | 41x14-20 |
| Industrial rear | 43x16-20 |
| Lawn/turf front | 28x8.5-15 |
| Ground clearance | 12.8 inches (32 cm) |
| Industrial front | 10-16.5 |
| Standard tires (ag) | Front: 7-16. Rear: 11.2x24 |
Power Take-off (PTO)
| Clutch | electro-hydraulic |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540 (1.375) |