Utility tractorsSpec sheet
RK Tractors RK55HC
The RK55HC is a utility tractor made by RK Tractors. It's a powerful machine with a 4-wheel drive system and a strong 55.1 hp engine made by Yanmar. This tractor has a hydrostatic transmission, which means it's easy to control and can go forward and backward smoothly. The engine is turbocharged and diesel-powered, making it tough and efficient for farm work. This tractor is built to handle various jobs on the farm. It has a comfortable cab for the driver and power steering to make it easier to use. The RK55HC is a medium-sized tractor, measuring 141.3 inches long and 63.8 inches wide. It weighs 4,233 pounds, which is about average for tractors in its class. The engine runs at a very high 2,800 rpm, giving it plenty of power for tough tasks. While the engine size is below average, its power output is above average, making it a good choice for farmers who need a strong, reliable tractor.
ManufacturerRK TractorsPower55.1 hp(41.1 kW)Class40–60 HP tractors →Engine4-cylinderTransmissionHydrostatic
Key specifications
- Category
- Utility
- Engine power
- 55hp
- Operating weight
- 4,233 lb
- Transmission
- Hydrostatic
Category comparison
RK55HC compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded Utility tractors
55.1 hp · 50th
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The RK55HC ranks at the 50th percentile for engine power among recorded utility tractors.
Overview
About the RK Tractors RK55HC
The RK55HC is a utility tractor made by RK Tractors. It's a powerful machine with a 4-wheel drive system and a strong 55.1 hp engine made by Yanmar. This tractor has a hydrostatic transmission, which means it's easy to control and can go forward and backward smoothly. The engine is turbocharged and diesel-powered, making it tough and efficient for farm work. This tractor is built to handle various jobs on the farm. It has a comfortable cab for the driver and power steering to make it easier to use. The RK55HC is a medium-sized tractor, measuring 141.3 inches long and 63.8 inches wide. It weighs 4,233 pounds, which is about average for tractors in its class. The engine runs at a very high 2,800 rpm, giving it plenty of power for tough tasks. While the engine size is below average, its power output is above average, making it a good choice for farmers who need a strong, reliable tractor.
Full specifications
Recorded specifications
General
| Manufacturer | RK Tractors |
|---|---|
| Model | RK55HC |
| Category | Utility tractor |
| Type | 4x4 MFWD 4WD |
| Operating weight | 4,233lb(1,920 kg) |
Engine
| Make | Yanmar |
|---|---|
| Model | 4TNV86T-CR |
| Power | 55.1hp(41.09 kW) |
| Cylinders | 4 |
| Displacement | 127.6ci(2.09 L) |
| Bore | 3.39in(86.11 mm) |
| Stroke | 3.54in(89.92 mm) |
Transmission
| Type | Hydrostatic |
|---|
Chassis & drive
| Chassis | 4x4 MFWD 4WD |
|---|---|
| Drive | 4WD |
| Steering | Power |
| Cab | Cab |
Dimensions
| Length | 141.3in(3,589 mm) |
|---|---|
| Width | 63.8in(1,621 mm) |
| Height | 99.6in(2,530 mm) |
| Operating weight | 4,233lb(1,920 kg) |
Closest alternatives
RK55HC compared with the nearest models by horsepower
By engine horsepower, the nearest utility models to the RK55HC are the RK Tractors RK55H and the RK Tractors RK55S. The RK Tractors RK55H matches it on rated power and weighs 420 lb less, so it is lighter for its power, which favors PTO and transport work over heavy draft. The RK Tractors RK55S matches it on rated power and weighs 420 lb less, carrying 69 lb per horsepower against 77 lb. Of the 3 models, the RK55HC has the highest weight per horsepower at 77 lb per hp.
| Spec | RK Tractors RK55HC | RK Tractors RK55H | RK Tractors RK55S |
|---|---|---|---|
| Engine power | 55.1 hp41.1 kW | 55.1 hp41.1 kW | 55.1 hp41.1 kW |
| Operating weight | 4,233 lb1,920 kg | 3,814 lb1,730 kg | 3,814 lb1,730 kg |
| Weight per hp | 77 lb/hp47 kg/kW | 69 lb/hp42 kg/kW | 69 lb/hp42 kg/kW |
| Displacement | 127.6 ci2.09 L | 127.6 ci2.09 L | 127.6 ci2.09 L |
| Cylinders | 4 | 4 | 4 |
| Transmission | Hydrostatic | Hydrostatic | Mechanical shuttle |
| Drive | 4WD | 4WD | 4WD |
Calculators
Calculators for the RK55HC
PTO power
About 46 to 50 PTO hp
Estimated from the 55.1 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 55.1 hp tractor can run
Maximum size is about a 6.5 ft rotary cutter or a 5.5 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
89 lb per PTO hp as listed
Heavy draft work calls for 120 to 135 lb/hp. The calculator gives the ballast to add.
Units
55.1 hp is 41.1 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Parts and manuals
Parts and manuals for the RK Tractors RK55HC
Each link opens a retailer search keyed to the fields recorded for this model. Confirm fitment against the serial plate before ordering.
Filters
- Oil filter for the Yanmar 4TNV86T-CRAmazon
Fits the Yanmar 4TNV86T-CR 4-cylinder diesel engine listed for this model. Confirm the part number against the engine serial plate.
- Air filter for the Yanmar 4TNV86T-CRAmazon
Fits the Yanmar 4TNV86T-CR 4-cylinder diesel engine listed for this model. Confirm the part number against the engine serial plate.
- Fuel filter for the Yanmar 4TNV86T-CRAmazon
Fits the Yanmar 4TNV86T-CR 4-cylinder diesel engine listed for this model. Confirm the part number against the engine serial plate.
- Hydraulic filter for the Yanmar 4TNV86T-CRAmazon
Fits the Yanmar 4TNV86T-CR 4-cylinder diesel engine listed for this model. Confirm the part number against the engine serial plate.
Manuals
- RK Tractors RK55HC service and repair manualseManualOnline
Digital manuals. Check the serial number range on the listing.
- RK Tractors RK55HC operator's manualAmazon
Printed and reprint manuals. Check the serial number range on the listing.
- RK Tractors RK55HC service manualAmazon
Shop and repair manuals for this model.
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Category medians
RK55HC vs. Utility median
RK Tractors RK55HC compared with other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 55.1 hp | 55 hp | 0% | 50th |
| Engine Displacement | 128 ci | 183 ci | -30% | 30th |
| Cylinders | 4 | 4 | at median | 50th |
| Operating Weight | 4,233 lb | 5,303 lb | -20% | 40th |
| Length | 141 in | 137 in | +3% | 57th |
| Width | 63.8 in | 66 in | -3% | 44th |
| Height | 99.6 in | 94.1 in | +6% | 65th |
Medians and percentiles are calculated from the utility tractors in the database that have a recorded value for each specification (sample size 3,933–5,720 models).
Same manufacturer
Other RK Tractors models
Other manufacturers
Models with similar horsepower
Gallery
RK Tractors RK55HC photos
FAQ
Frequently asked questions
How powerful is the RK Tractors RK55HC?
The RK Tractors RK55HC has an engine power output of 55.1 hp. It is powered by a 4-cylinder engine displacing 127.6 ci.
What type of transmission does the RK Tractors RK55HC have?
The RK Tractors RK55HC uses a Hydrostatic transmission.
What is the working weight of the RK Tractors RK55HC?
The operating weight of the RK Tractors RK55HC is approximately 4,233 lb.
What routine service does the RK Tractors RK55HC need?
Regular maintenance for the RK Tractors RK55HC includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.