RK Tractors RK55

Last Updated: June 2024

Overview

The RK Tractors RK55 is a 4WD compact utility tractor designed for a variety of tasks including cultivation, landscaping, and maintenance work. It features a robust 55 horsepower Yanmar turbocharged diesel engine with a displacement of 127.6 ci. Available in both ROPS and Cab configurations, the tractor offers versatility in operation with 16 forward and reverse gears. Its operating weight varies between 3,814 lbs with ROPS and 4,223 lbs with the cab. The tractor commenced manufacturing in 2017 and has tire options suiting agriculture, lawn or turf, and industrial needs, highlighting its multi-functional approach. The RK55 is notable for its nearly 3,310 lbs hitch lift capacity and additional features such as power steering and wet disc brakes.
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Key Specifications

Category: Utility

Power Output: 55

Drive Type: 4WD

Operating Weight: 3814 with ROPS, 4223 with Cab

Fuel Type: Diesel

Lift Capacity: 3310

RK Tractors RK55 vs. Similar Tractors

Power Output
Average
Greater than 53% of similar tractors.
Hitch Capacity
Average
Greater than 61% of similar tractors.
Operating Weight
Average
Greater than 34% of similar tractors.

Technical Specifications

Engine

Manufacturer
Yanmar
Model
4TNV86T-CR
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Turbocharged
Cylinders
4
Displacement (ci)
127.6
Bore (in)
3.39
Stroke (in)
3.54
Rated RPM
2800
Power Output (hp)
55

Transmission

Type
-
Forward Gears
16
Reverse Gears
16
Total Gears
-

Dimensions

Length (in)
140.9
Width (in)
63.8
Height (in)
102.0 with ROPS, 99.9 with Cab
Operating Weight (lb)
3814 with ROPS, 4223 with Cab

Power Take-Off (PTO)

PTO Type
Optional, Independent with electro-hydraulic clutch
PTO Speed 1 (rpm)
540
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x4 MFWD 4WD
Drive Type
4WD
Steering Type
Power
Coolant Capacity (qts)
-
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Ag, Lawn/Turf, Industrial
Manufacture - End Year
-
Hitch Type
-
Hitch Category
Category 1
Hitch Position
-
Hitch Capacity (lb)
3310
Operator Station Type
Two-post ROPS or Cab
Starter Type
Electric
Brake Type
Wet disc
Hydraulic System Type
-

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