Compare/Graham-Bradley 103 vs Iseki RTS255

Graham-Bradley 103 vs Iseki RTS255

Verdict: Graham-Bradley 103 vs Iseki RTS255

The Graham-Bradley 103 and the Iseki RTS255 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 25 hp. Iseki RTS255 is the newer design (2023 vs 1938). 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

Graham-Bradley

Fit score

Best match

Clear

Iseki

Fit score

Best match

Clear

Rated power

25 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Graham-BradleyReference

IsekiReference

Gear 1 used for pull test.Reference

Ten power shift gears in three ranges with power shuttle.Reference

Steering

manualReference

—

Variants

103

row-cropReference

—

104

standard treadReference

—

Engine

Plows

3 (14-inch)Reference

—

Drawbar (tested)

18.8 kWReference

—

Belt (tested)

22.7 kWReference

—

Displacement

3.6 LReference

1.5 LReference

Bore/Stroke

83 x 111 mmReference

87 x 84 mmReference

Fuel system

Schebler carburetorReference

—

Air cleaner

oil bathReference

—

Rated RPM

1500Reference

2500Reference

Firing order

1-5-3-6-2-4Reference

—

Belt power (max)

22.7 kWReference

—

Max power

18.8 kWReference

—

Fuel tank

—

28.0 LReference

Engine

—

18.4 kWReference

Power

—

18.4 kWReference

Starter

—

electricReference

Starter volts

—

12Reference

Transmission

Type

gearReference

partial power shiftReference

Gears

4 forward and 1 reverseReference

30 forward and reverseReference

Clutch

dry discReference

Dimensions

Front tire

5.50x16Reference

7-16Reference

Rear tire

9.00x36Reference

11.2-24Reference

Ag front

5.50x16Reference

—

Ag rear

9.00x36Reference

—

Wheelbase

—

150 cmReference

Weight

—

2227 to 2579 poundsReference

Standard tires (ag)

—

Front: 7-16. Rear: 11.2-24Reference

Optional tires (ag)

—

Front: 7-14. Rear: 8.3-24Reference

Length

—

280 cmReference

Height (ROPS)

—

198 cmReference

ROPS Weight

—

1010 kgReference

Cab Weight

—

1169 kgReference

Ground clearance

—

36 cmReference

Front tread

—

103 cmReference

Rear tread

—

104 cmReference

Capacities

Diameter

38 cmReference

—

Width

18 cmReference

133 cmReference

RPM

714Reference

—

Speed

853.44 meters/minReference

—

Test results

Belt fuel use (max)

11.7 l/hourReference

—

Max pull

1366 kgReference

—

PTO & Hydraulics

Rear Type

—

JIS0Reference

Rear PTO Type

—

540 (1.375)Reference

Engine RPM

—

819@2500@1266@2500Reference

Electrical

Ground

—

negativeReference

Battery volts

—

12Reference

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.