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Graham-Bradley 103 vs Summit Tractors TX25H
Verdict: Graham-Bradley 103 vs Summit Tractors TX25H
The Graham-Bradley 103 and the Summit Tractors TX25H are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 25 hp. Summit Tractors TX25H is the newer design (2022 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.
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Fit & specs
Graham-Bradley
62
Fit score
Best match
Clear
Summit Tractors
62
Fit score
Best match
Clear
Rated power
25 hp
25 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Graham-BradleyReference
ITLReference
Gear 1 used for pull test.Reference
liquid-cooledReference
Steering
manualReference
—
Distributor
—
Summit TractorsReference
Original price
—
$18,999 (2022, with loader)Reference
Final drives
—
mechanical rearReference
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
1.3 LReference
Bore/Stroke
83 x 111 mmReference
78 x 92 mmReference
Fuel system
Schebler carburetorReference
indirect injectionReference
Air cleaner
oil bathReference
Dual ElementReference
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
—
26.1 LReference
Engine (gross)
—
18.4 kWReference
Emissions
—
Tier IVReference
Power (gross)
—
18.4 kWReference
Starter
—
electricReference
Starter volts
—
12Reference
Fuel Type
—
DieselReference
No of Cylinders
—
3 cylindersReference
Rated engine speed
—
2,500 rpmReference
Aspiration
—
Natural AspirationReference
Cooling system
—
LiquidReference
Transmission
Type
gearReference
hydrostaticReference
Gears
4 forward and 1 reverseReference
infinite forward and reverse (2-range)Reference
Clutch
dry discReference
electro-hydraulicReference
forward and reverse options
—
2-RangeReference
Wheel Drive
—
4WDReference
Dimensions
Front tire
5.50x16Reference
—
Rear tire
9.00x36Reference
—
Ag front
5.50x16Reference
—
Ag rear
9.00x36Reference
—
Wheelbase
—
156 cmReference
Weight
—
2513 to 3406 poundsReference
Industrial front
—
23x8.50-12Reference
Industrial rear
—
12-16.5Reference
Length
—
288 cmReference
Height (ROPS)
—
233 cmReference
Shipping weight
—
1139 kgReference
Operating weight
—
1544 kgReference
Clearance (front axle)
—
24 cmReference
Capacities
Diameter
38 cmReference
—
Width
18 cmReference
137 cmReference
RPM
714Reference
—
Speed
853.44 meters/minReference
—
Capacity
—
80.42 cu.in.Reference
Test results
Belt fuel use (max)
11.7 l/hourReference
—
Max pull
1366 kgReference
—
PTO & Hydraulics
PTO (claimed)
—
13.4 kWReference
Rear valves
—
1Reference
Mid valves
—
2Reference
Pump flow
—
18.2 lpmReference
Rear Type
—
IReference
Control
—
position controlReference
Rear lift (at ends)
—
599 kgReference
Rear lift (at 24"/610mm)
—
529 kgReference
Rear PTO
—
independentReference
Rear PTO Type
—
540 (1.375)Reference
Mid PTO
—
independentReference
Mid PTO Type
—
2100Reference
Summit Tractors TX25H attachments
Electrical
Ground
—
negativeReference
Charging system
—
alternatorReference
Charging amps
—
42Reference
Battery volts
—
12Reference
Alternator size
—
12V42AReference
General
Make & Model
—
Mitsubishi 24.7 hp EPA Tier 4 Diesel EngineReference
Cruise control
—
TRUEReference
Differential lock
—
AvailableReference
SCV control
—
joystickReference
Rollover protective structure
—
FoldingReference
Power
Max Power
—
24.7 hpReference
PTO
PTO Power
—
18 hpReference
Rear PTO Power
—
AvailableReference
Rear PTO Control
—
Electric/HydroReference
Rear PTO RPM
—
540 rpmReference
Mid PTO RPM
—
2,100 rpmReference
Steering & brakes
Brakes
—
Wet DiscReference
Steering type
—
HydraulicReference
Hydraulics
Remote Valves
—
1 SetReference
Rear Hitch category (SAE designation)
—
Category 1Reference
Rear Hitch maximum lift capacity
—
599.6 kgReference
Dimensions & weight
Height Over ROPS
—
233.9 cmReference
Overall Length
—
288.5 cmReference
Overall Width
—
137.2 cmReference
Ground Clearance
—
24.4 cmReference
Overall weight
—
1,139.9 kgReference
Wheels & tyres
Rear Wheel Type
—
Goodyear R14T 12-16.5 (USA)Reference
Front Wheel Type
—
Goodyear R14T 23x8.50-12 (USA)Reference
Operator station
Cab Seat Type
—
Coated PVC WeatherproofReference
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.