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RK Tractors RK25H vs RK Tractors RK37H
Verdict: RK Tractors RK25H vs RK Tractors RK37H
The RK Tractors RK25H and the RK Tractors RK37H are both tractors — here is how they stack up on the figures that matter. RK Tractors RK37H leads on rated power with 37 hp against 18 hp. RK Tractors RK25H is the lighter machine (853 kg vs 1,408 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. RK Tractors RK37H holds more fuel (34.1 L vs 25 L) for longer stints between fills. RK Tractors RK25H is the newer design (2021 vs 2017). In short: choose the RK Tractors RK37H for outright pulling power, or the RK Tractors RK25H if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.
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Fit & specs
RK Tractors
62
Fit score
Best match
Clear
RK Tractors
62
Fit score
Best match
Clear
Rated power
18 hp
37 hp
Confidence
40%
40%
Guide price
—
—
Overview
Distributor
RK Tractors (a part of Rural King)Reference
RK Tractors (a part of Rural King)Reference
Manufacturer
TYMReference
TYMReference
liquid-cooledReference
liquid-cooledReference
Differential lock
mechanical rearReference
—
Engine
Engine
18.4 kWReference
—
Displacement
1.3 LReference
1.6 LReference
Bore/Stroke
80 x 84 mmReference
86 x 90 mmReference
Power
18.4 kWReference
—
Fuel system
direct injectionReference
common rail direct injectionReference
Air cleaner
dryReference
—
Rated RPM
3000Reference
3000Reference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Oil capacity
2.7 LReference
—
Coolant capacity
3.6 LReference
—
Fuel Type
DieselReference
DieselReference
No of Cylinders
3 CylindersReference
3 cylinderReference
Rated engine speed
3,000 RPMReference
3,000 RPMReference
Aspiration
NaturalReference
—
Engine (gross)
—
27.9 kWReference
Power (gross)
—
27.9 kWReference
Transmission
Gears
infinite forward and reverse (2-range)Reference
infinite forward and reverse (3-range)Reference
forward and reverse options
2 RangeReference
3 RangeReference
Wheel Drive
4WDReference
4WDReference
PTO & Hydraulics
PTO (claimed)
13.6 kWReference
21.5 kWReference
Hydraulic system
22.0 LReference
—
Type
hydrostaticReference
hydrostaticReference
Capacity
22.0 LReference
100.2 cu. in.Reference
Pump flow
15.8 lpmReference
24.2 lpmReference
Total flow
26.3 lpmReference
41.6 lpmReference
Steering flow
10.5 lpmReference
17.4 lpmReference
Rear Type
IReference
IReference
Control
position controlReference
position controlReference
Rear lift
695 kgReference
—
Rear lift (at 24"/610mm)
499 kgReference
800 kgReference
Rear PTO
independentReference
independentReference
Rear PTO Type
540 (1.375)Reference
540 (1.375)Reference
Mid PTO
independentReference
OptionalReference
Mid PTO Type
2000Reference
—
Valves
—
1Reference
Rear lift (at ends)
—
1200 kgReference
Clutch
—
electro-hydraulicReference
Capacities
Fuel
25.0 LReference
—
Fuel tank
25 LReference
34.1 LReference
Dimensions
Wheelbase
154 cmReference
167 cmReference
Weight
489 kgReference
607 kgReference
Length
273 cmReference
320 cmReference
Width
134 cmReference
135 cmReference
Height (ROPS)
228 cmReference
240 cmReference
Ground clearance
19 cmReference
32 cmReference
Front tire
—
7-16Reference
Rear tire
—
11.2x24Reference
Standard tires (ag)
—
Front: 7-16. Rear: 11.2x24Reference
Lawn/turf front
—
28x8.5-15Reference
Lawn/turf rear
—
41x14-20Reference
Industrial front
—
10-16.5Reference
Industrial rear
—
43x16-20Reference
RK Tractors RK25H attachments
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
alternatorReference
Charging amps
40Reference
55Reference
Battery volts
12Reference
12Reference
Alternator size
12V 40AReference
12V 55AReference
Attachment overview
60" Mower deck
Cutting width
152 cmReference
—
Cut height
2 to 10 cmReference
—
RK Tractors BH6.7 Backhoe
Backhoe type
RK Tractors BH6.7 BackhoeReference
RK Tractors BH7.5 BackhoeReference
Transport height
205 cmReference
216 cmReference
Bucket width
60 cmReference
60 cmReference
2-Foot flat digging depth
204 cmReference
231 cmReference
Reach from pivot
299 cmReference
313 cmReference
Loading height
160 cmReference
228 cmReference
Bucket Rotation
180°Reference
149°Reference
Swing Arc
180°Reference
180°Reference
Bucket force
1290 kgReference
2065 kgReference
Dipperstick force
850 kgReference
1147 kgReference
General
Make & Model
3TNV80FReference
Yanmar 3TNV88-CRReference
Cruise control
TRUEReference
TRUEReference
SCV control
JoystickReference
JoystickReference
Power
Max Power
24.7 hpReference
37.4 hpReference
PTO
PTO Power
18.3 hpReference
28.8 hpReference
Rear PTO Control
Electric/HydroReference
Electric/HydroReference
Rear PTO RPM
540 RPMReference
540 rpmReference
Mid PTO RPM
2,000 RPMReference
—
Rear PTO Power
—
TRUEReference
Steering & brakes
Brakes
Wet DiscReference
Wet DiscReference
Steering type
Hydrostatic power steeringReference
—
Hydraulics
Pump Rated Output (total)
6.95 gpmReference
11 gpmReference
Steering & Implements flow
2.77 gpm (4.18 gpm)Reference
4.6 gpm (6.4 gpm)Reference
Rear Hitch category (SAE designation)
Category 1Reference
Category 1Reference
Rear Hitch maximum lift capacity
695.8 kgReference
1,200.2 kgReference
Remote Valves
—
1 SetReference
Dimensions & weight
Height Over ROPS
228.1 cmReference
240 cmReference
Overall Length
273.8 cmReference
320 cmReference
Overall Width
134.1 cmReference
135.9 cmReference
Turning radius
250.2 cmReference
—
Overall weight
853.2 kgReference
1,408.9 kgReference
Operator station
Cab Availability
OptionalReference
—
Seat Suspension
TRUEReference
TRUEReference
Variants
RK37S
—
shuttle ROPSReference
RK37H
—
hydrostatic ROPSReference
RK37SC
—
shuttle cabReference
RK37HC
—
hydrostatic cabReference
RK Tractors RK37H attachments
RK Tractors BH7.5 Backhoe
Wheels & tyres
Front Wheel Type
—
R4 Titan - 10-16.5 / R3 Titan - 7-16 / R1 Titan - 28x8 5-15Reference
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.