RK Tractors
RK Tractors RK55H
The RK Tractors RK55H is a compact utility tractor built by TYM starting in 2017. It features a Yanmar 2.1L 4-cylinder turbocharged diesel engine producing 55.1 hp gross, hydrostatic transmission with infinite forward and reverse speeds in 3 ranges, and four-wheel drive. The tractor includes power steering, wet disc brakes, and a two-post ROPS. It has a wheelbase of 76.2 inches, weighs 3814 lbs, and comes with standard agricultural tires 9.5x16 front and 14.9x24 rear. The RK55H supports front-end loader and backhoe attachments, including the L110 Loader and RK Tractors BH8.0 Backhoe. The original price was $23,799 in 2017.
Power55 hp
Founded2017 -
ModelRK55H
Technical Specifications
Detailed specifications and technical data for RK Tractors RK55H
Power
| PTO (claimed) | 42.2 hp (31.5 kW) |
|---|---|
| Engine (gross) | 55.1 hp (41.1 kW) |
Tires
| Lawn/turf rear | 16.9x24 |
|---|---|
| Industrial rear | 16.9x24 |
| Lawn/turf front | 12x16.5 |
| Industrial front | 12x16.5 |
| Standard tires (ag) | Front: 9.5x16. Rear: 14.9x24 |
Engine
| Type | turbocharged diesel |
|---|---|
| Model | Yanmar 4TNV86T-CR |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 4-cylinder |
| Rated RPM | 2800 |
| Bore/Stroke | 3.39x3.54 inches (86 x 90 mm) |
| Fuel system | common rail direct injection |
| Displacement | 127.6 ci (2.1 L) |
| Starter volts | 12 |
Variants
| RK55H | hydrostatic ROPS |
|---|---|
| RK55S | shuttle ROPS |
| RK55HC | hydrostatic cab |
| RK55SC | shuttle cab |
Dimensions
| Width | 63.8 inches (162 cm) |
|---|---|
| Length | 141.3 inches (358 cm) |
| Weight | 3814 lbs (1730 kg) |
| Wheelbase | 76.2 inches (193 cm) |
| Height (ROPS) | 102.1 inches (259 cm) |
| Ground clearance | 13.8 inches (35 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging amps | 70 |
| Charging system | alternator |
Hydraulics
| Valves | 2 |
|---|---|
| Pump flow | 9.5 gpm (36.0 lpm) |
| Total flow | 14.5 gpm (54.9 lpm) |
| Steering flow | 5 gpm (18.9 lpm) |
Mechanical
| ROPS | Two-post ROPS. |
|---|
Production
| Type | Compact Utility tractor |
|---|---|
| Distributor | RK Tractors (a part of Rural King) |
| Manufacturer | TYM |
| Original price | $23,799 in 2017 |
| Production years | 2017 - |
Attachments
| Backhoe | RK Tractors BH8.0 Backhoe |
|---|---|
| Loader weight | 1261 lbs (571 kg) |
| Backhoe weight | 1500 lbs Without bucket (680 kg) |
| Front-end loader | L110 Loader |
| Backhoe swing arc | 180° |
| Loader attachment | quick coupler |
| Loader dump angle | 45° |
| Loader bucket width | 72 inches (182 cm) |
| Backhoe bucket force | 4435 lbs (2011 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 reach (dumped) | 21.4 inches (54 cm) |
| Loader reach (ground) | 73.1 inches (185 cm) |
| Loader rollback angle | 35° |
| Backhoe loading height | 92.4 inches (234 cm) |
| Loader height (at pin) | 109.1 inches (277 cm) |
| Backhoe bucket rotation | 151° |
| Backhoe reach from pivot | 134.4 inches (341 cm) |
| Backhoe transport height | 91.2 inches (231 cm) |
| Backhoe dipperstick force | 2694 lbs (1221 kg) |
| Loader clearance (dumped) | 80.8 inches (205 cm) |
| Loader breakout force (at pin) | 4938 lbs (2239 kg) |
| Backhoe 2-Foot flat digging depth | 103.2 inches (262 cm) |
| Loader lift capacity (full at pin) | 2478 lbs (1124 kg) |
Transmission
| Type | hydrostatic |
|---|---|
| Gears | infinite forward and reverse (3-range) |
Tractor hitch
| Control | position and draft control |
|---|---|
| Rear Type | I |
| Rear lift (at ends) | 3314 lbs (1503 kg) |
| Rear lift (at 24"/610mm) | 2945 lbs (1335 kg) |
Power Take-off (PTO)
| Clutch | electro-hydraulic |
|---|---|
| Mid PTO | Optional |
| Rear PTO | independent |
| Rear PTO Type | 540 (1.375) |