Introduction
RK Tractors RK55HC Compact Utility Tractor
The RK55HC is a compact utility tractor introduced in 2017, designed for versatile agricultural and maintenance applications. Manufactured by TYM for RK Tractors, this machine combines a modern common-rail diesel powertrain with a user-focused cab environment.
Engine and Performance
The tractor is powered by a Yanmar 4TNV86T-CR four-cylinder turbocharged diesel engine. With a displacement of 2.1 liters and common-rail direct injection, it delivers a gross power output of 55.1 horsepower at a rated speed of 2800 RPM. The engine is liquid-cooled and utilizes an electric starter system.
Transmission and Drivetrain
Equipped with a hydrostatic transmission, the RK55HC offers infinite speed control in both forward and reverse directions across three distinct ranges. The drivetrain features four-wheel drive as standard, supported by power steering for maneuverability and wet disc brakes for reliable stopping power.
Hydraulics and PTO
The hydraulic system provides a total flow of 14.5 gpm (54.9 lpm), with 9.5 gpm dedicated to the pump flow. It features two valves for implement operation. The rear PTO is independent, utilizing an electro-hydraulic clutch and operating at a standard 540 RPM (1.375 shaft). An optional mid-mount PTO is available for specific attachment requirements.
Hitch and Capacity
The rear hitch is a Category I three-point system equipped with both position and draft control. It provides a lift capacity of 2,945 lbs (1,335 kg) at 24 inches behind the lift points, with a maximum capacity of 3,314 lbs (1,503 kg) measured at the ends of the lift arms.
Operator Environment
The RK55HC comes standard with an enclosed cab. The interior is equipped with an integrated air-conditioning system and an audio system to maintain operator comfort during extended work intervals.
Conclusion
The RK55HC serves as a capable utility platform for farmers and landowners requiring a balance of compact dimensions and sufficient hydraulic power. Its combination of a hydrostatic drive and standard cab configuration makes it well-suited for varied tasks ranging from property maintenance to light field operations.
Production Information of RK Tractors, RK55HC
- Original price was $26,799 in 2017
- Compact Utility tractor
| Distributor | RK Tractors (a part of Rural King) |
|---|---|
| Manufacturer | TYM |
Dimension and Tires Information of RK Tractors, RK55HC
| Wheelbase | 76.2 inches [193 cm] |
|---|---|
| Weight | 4233 lbs [1920 kg] |
| Height (cab) | 99.6 inches [252 cm] |
| Length | 141.3 inches [358 cm] |
| Ground clearance | 13.8 inches [35 cm] |
| Width | 63.8 inches [162 cm] |
| Standard tires (ag) | Front: 9.5x16. Rear: 14.9x24 |
|---|---|
| Industrial rear | 16.9x24 |
| Industrial front | 12x16.5 |
| Lawn/turf front | 12x16.5 |
| Lawn/turf rear | 16.9x24 |
Engine Specifications of RK Tractors, RK55HC
- Yanmar 4TNV86T-CR
- Liquid-cooled
- Turbocharged diesel
- 4-cylinder
| Starter volts | 12 |
|---|---|
| Displacement | 127.6 ci [2.1 L] |
| Fuel system | Common rail direct injection |
| Bore/Stroke | 3.39x3.54 inches [86 x 90 mm] |
| Starter | Electric |
| Rated RPM | 2800 |
| Power (gross) | 55.1 hp [41.1 kW] |
Transmission Information of RK Tractors, RK55HC
Transmission variants 1
| Type | Hydrostatic |
|---|---|
| Gears | Infinite forward and reverse (3-range) |
Mechanical Specs of RK Tractors, RK55HC
- Four-wheel drive
- Cab standard with air-conditioning and audio system.
- Power steering
- Wet disc brakes
Power Information of RK Tractors, RK55HC
| Rear PTO | Independent |
|---|---|
| Mid PTO | Optional |
| Clutch | Electro-hydraulic |
| Rear PTO Type | 540 (1.375) |
Hydraulics Specifications of RK Tractors, RK55HC
| Valves | 2 |
|---|---|
| Steering flow | 5 gpm [18.9 lpm] |
| Pump flow | 9.5 gpm [36.0 lpm] |
| Total flow | 14.5 gpm [54.9 lpm] |
Three-Point Hitch of RK Tractors, RK55HC
| Rear Type | I |
|---|---|
| Rear lift (at 24"/610mm) | 2945 lbs [1335 kg] |
| Control | Position and draft control |
| Rear lift (at ends) | 3314 lbs [1503 kg] |
Electrical System of RK Tractors, RK55HC
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Charging system | Alternator |
| Charging amps | 70 |
Where it sits
With 55 HP, the RK Tractors RK55HC sits just above RK37HC (37 HP) in RK Tractors's range. Its power puts it in the 36th percentile of 2010s models in our database (2476 machines).
Frequently asked questions
How much horsepower does the RK Tractors RK55HC have?
The RK Tractors RK55HC delivers 55 HP.
What years was the RK Tractors RK55HC produced?
The RK Tractors RK55HC was produced in 2017+.
What engine does the RK Tractors RK55HC have?
The RK Tractors RK55HC is powered by a Turbocharged diesel, 4-cylinder engine.
What transmission does the RK Tractors RK55HC use?
The RK Tractors RK55HC uses a Hydrostatic transmission.
How much does the RK Tractors RK55HC weigh?
The RK Tractors RK55HC weighs 4233 lbs [1920 kg].
Is the RK Tractors RK55HC 4WD?
The RK Tractors RK55HC is available in 4WD.