Same brandUtility tractorsSpec sheet
RK Tractors RK55
The RK55 is a utility tractor made by RK Tractors. It's a 4-wheel drive tractor with power steering, which makes it easy to handle. The tractor has a Yanmar engine with 55 horsepower, which is about average for its class. This engine is turbocharged and diesel-powered, with four cylinders lined up in a row. It's cooled by liquid to keep it running smoothly. One great thing about the RK55 is its transmission. It has 16 gears going forward and 16 going backward, giving the driver lots of options. The tractor has a strong hitch that can lift up to 3,310 pounds, which is above average. It also has a PTO (power take-off) that spins at 540 rpm, useful for running other farm tools. The RK55 comes with a roll-over protection system (ROPS) to keep the driver safe. It can be fitted with different types of tires for various jobs, like farming, lawn care, or industrial work.
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Key specifications
- Category
- Utility
- Engine power
- 55hp
Category comparison
RK55 compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded Utility tractors
55 hp · 50th
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The RK55 ranks at the 50th percentile for engine power among recorded utility tractors.
Overview
About the RK Tractors RK55
The RK55 is a utility tractor made by RK Tractors. It's a 4-wheel drive tractor with power steering, which makes it easy to handle. The tractor has a Yanmar engine with 55 horsepower, which is about average for its class. This engine is turbocharged and diesel-powered, with four cylinders lined up in a row. It's cooled by liquid to keep it running smoothly. One great thing about the RK55 is its transmission. It has 16 gears going forward and 16 going backward, giving the driver lots of options. The tractor has a strong hitch that can lift up to 3,310 pounds, which is above average. It also has a PTO (power take-off) that spins at 540 rpm, useful for running other farm tools. The RK55 comes with a roll-over protection system (ROPS) to keep the driver safe. It can be fitted with different types of tires for various jobs, like farming, lawn care, or industrial work.
Full specifications
Recorded specifications
General
| Manufacturer | RK Tractors |
|---|---|
| Model | RK55 |
| Category | Utility tractor |
| Type | 4x4 MFWD 4WD |
| Years built | 2017+ |
Engine
| Make | Yanmar |
|---|---|
| Model | 4TNV86T-CR |
| Power | 55hp(41.01 kW) |
| Cylinders | 4 |
| Displacement | 127.6ci(2.09 L) |
| Bore | 3.39in(86.11 mm) |
| Stroke | 3.54in(89.92 mm) |
Transmission
| Forward gears | 16 |
|---|---|
| Reverse gears | 16 |
Chassis & drive
| Chassis | 4x4 MFWD 4WD |
|---|---|
| Drive | 4WD |
| Steering | Power |
| Brakes | Wet disc |
| Cab | Two-post ROPS |
Power take-off
| Rear PTO | Independent with electro-hydraulic clutch |
|---|---|
| PTO speed | 540rpm |
Dimensions
| Length | 140.9in(3,579 mm) |
|---|---|
| Width | 63.8in(1,621 mm) |
Closest alternatives
RK55 compared with the nearest models by horsepower
Among utility tractors, the Massey Ferguson 2605H and the John Deere 5055E (2013-2014) are closest to the RK Tractors RK55 in rated horsepower. The Massey Ferguson 2605H matches it on rated power. The John Deere 5055E (2013-2014) matches it on rated power.
| Spec | RK Tractors RK55 | Massey Ferguson 2605H | John Deere 5055E (2013-2014) |
|---|---|---|---|
| Engine power | 55 hp41 kW | 55 hp41 kW | 55 hp41 kW |
| Displacement | 127.6 ci2.09 L | 157.9 ci2.59 L | 179 ci2.93 L |
| Cylinders | 4 | 3 | 3 |
| Transmission | - | Gear, Sync Shuttle | Partially synchronized with dry disc clutch |
| Drive | 4WD | 2WD | MFWD |
| Years built | 2017+ | 2016+ | 2013-2014 |
Calculators
Calculators for the RK55
PTO power
About 46 to 50 PTO hp
Estimated from the 55 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 55 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.
Units
55 hp is 41.0 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 RK55
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 RK55 service and repair manualseManualOnline
Digital manuals. Built from 2017. Check the serial number range on the listing.
- RK Tractors RK55 operator's manualAmazon
Printed and reprint manuals. Built from 2017. Check the serial number range on the listing.
- RK Tractors RK55 service manualAmazon
Shop and repair manuals for this model.
Links in this section go to retailers. A purchase through them earns this site a commission at no extra cost to the buyer. As an Amazon Associate, Heavy Equipment Specs earns from qualifying purchases. Affiliate disclosure
Category medians
RK55 vs. Utility median
RK Tractors RK55 compared with other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 55 hp | 55 hp | at median | 50th |
| Engine Displacement | 128 ci | 183 ci | -30% | 30th |
| Cylinders | 4 | 4 | at median | 50th |
| Forward Gears | 16 | 12 | +33% | 73rd |
| Length | 141 in | 137 in | +3% | 56th |
| Width | 63.8 in | 66 in | -3% | 44th |
| 3-Point Hitch Capacity | 3,310 lb | 3,197 lb | +4% | 55th |
Medians and percentiles are calculated from the utility tractors in the database that have a recorded value for each specification (sample size 1,083–5,720 models).
Same manufacturer
Other RK Tractors models
Other manufacturers
Models with similar horsepower
FAQ
Frequently asked questions
When was the RK Tractors RK55 in production?
The RK Tractors RK55 was introduced in 2017.
How much horsepower does the RK Tractors RK55 have?
The RK Tractors RK55 produces 55 hp from its 4-cylinder engine. Engine displacement is 127.6 ci.
What three-point hitch category does the RK Tractors RK55 use?
The RK Tractors RK55 has a Category I three-point hitch rated to lift 3,310 lb.
What maintenance does the RK Tractors RK55 require?
The RK Tractors RK55 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.