Compare/RK Tractors RK25H vs Square Turn 18-35

RK Tractors RK25H vs Square Turn 18-35

Verdict: RK Tractors RK25H vs Square Turn 18-35

The RK Tractors RK25H and the Square Turn 18-35 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 18 hp. RK Tractors RK25H is the lighter machine (853 kg vs 3,538 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Square Turn 18-35 holds more fuel (113.6 L vs 25 L) for longer stints between fills. RK Tractors RK25H is the newer design (2021 vs 1917). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

RK Tractors

Fit score

Best match

Clear

Square Turn

Fit score

Best match

Clear

Rated power

18 hp

Confidence

40%

Guide price

—

Overview

Distributor

RK Tractors (a part of Rural King)Reference

—

Manufacturer

TYMReference

Square TurnReference

liquid-cooledReference

Differential lock

mechanical rearReference

—

Drive

—

3x2 2WDReference

Final drives

—

bull gearReference

Engine

18.4 kWReference

—

Displacement

1.3 LReference

8.4 LReference

Bore/Stroke

80 x 84 mmReference

127 x 165 mmReference

Power

18.4 kWReference

—

Fuel system

direct injectionReference

—

Air cleaner

dryReference

—

Rated RPM

3000Reference

850Reference

Starter

electricReference

—

Starter volts

12Reference

—

Oil capacity

2.7 LReference

—

Coolant capacity

3.6 LReference

—

Fuel Type

DieselReference

—

No of Cylinders

3 CylindersReference

—

Rated engine speed

3,000 RPMReference

—

Aspiration

NaturalReference

—

Drawbar (claimed)

—

13.4 kWReference

Belt (claimed)

—

26.1 kWReference

Plows

—

3Reference

Transmission

Gears

infinite forward and reverse (2-range)Reference

infinite forward and reverseReference

forward and reverse options

2 RangeReference

—

Wheel Drive

4WDReference

—

PTO & Hydraulics

PTO (claimed)

13.6 kWReference

—

Hydraulic system

22.0 LReference

—

Type

hydrostaticReference

friction discReference

Capacity

22.0 LReference

—

Pump flow

15.8 lpmReference

—

Total flow

26.3 lpmReference

—

Steering flow

10.5 lpmReference

—

Rear Type

IReference

—

Control

position controlReference

—

Rear lift

695 kgReference

—

Rear lift (at 24"/610mm)

499 kgReference

—

Rear PTO

independentReference

—

Rear PTO Type

540 (1.375)Reference

—

Mid PTO

independentReference

—

Mid PTO Type

2000Reference

—

Capacities

Fuel

25.0 LReference

—

Fuel tank

25 LReference

113.6 LReference

Diameter

—

30 cmReference

RPM

—

850Reference

Speed

—

560.22 meters/minReference

Dimensions

Wheelbase

154 cmReference

—

Weight

489 kgReference

3538 kgReference

Length

273 cmReference

505 cmReference

Width

134 cmReference

248 cmReference

Height (ROPS)

228 cmReference

—

Ground clearance

19 cmReference

—

Front tire

—

61x12Reference

Ag front

—

61x12 (steel)Reference

Height

—

205 cmReference

RK Tractors RK25H attachments

Electrical

Ground

negativeReference

—

Charging system

alternatorReference

—

Charging amps

40Reference

—

Battery volts

12Reference

—

Alternator size

12V 40AReference

—

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

—

Transport height

205 cmReference

—

Bucket width

60 cmReference

—

2-Foot flat digging depth

204 cmReference

—

Reach from pivot

299 cmReference

—

Loading height

160 cmReference

—

Bucket Rotation

180°Reference

—

Swing Arc

180°Reference

—

Bucket force

1290 kgReference

—

Dipperstick force

850 kgReference

—

General

Make & Model

3TNV80FReference

—

Cruise control

TRUEReference

—

SCV control

JoystickReference

—

Power

Max Power

24.7 hpReference

—

PTO

PTO Power

18.3 hpReference

—

Rear PTO Control

Electric/HydroReference

—

Rear PTO RPM

540 RPMReference

—

Mid PTO RPM

2,000 RPMReference

—

Steering & brakes

Brakes

Wet DiscReference

—

Steering type

Hydrostatic power steeringReference

—

Hydraulics

Pump Rated Output (total)

6.95 gpmReference

—

Steering & Implements flow

2.77 gpm (4.18 gpm)Reference

—

Rear Hitch category (SAE designation)

Category 1Reference

—

Rear Hitch maximum lift capacity

695.8 kgReference

—

Dimensions & weight

Height Over ROPS

228.1 cmReference

—

Overall Length

273.8 cmReference

—

Overall Width

134.1 cmReference

—

Turning radius

250.2 cmReference

—

Overall weight

853.2 kgReference

—

Operator station

Cab Availability

OptionalReference

—

Seat Suspension

TRUEReference

—

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.