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Years in Production / 1928–1930
Rumely
OilPull X 25/40
Explore the specifications, hardware, and original references for the Rumely OilPull X 25/40.

No photo
44hp
Engine estimate · from belt
2WD Only
Drive
1928–1930
Production years
Rumely
Manufacturer
OilPull X 25/40 / 01
At a glance
Production
Standard-tread tractor
Built in La Porte, Indiana, USA
- Manufacturer
- Advance-Rumely
- Total Built
- 2,400
Mechanical
Two-wheel drive
Open operator station.
- Steering
- manual
Belt Pulley
- Diameter
- 18.75 inches47 cm
- Width
- 8.5 inches21 cm
- Rpm
- 725
OilPull X 25/40 / 02
Under the hood
Engine Detail
Rumley
kerosene
2-cylinder
liquid-cooled horizontal
- Displacement
- 601.4 ci9.9 L
- Bore Stroke
- 6.8125x8.25 inches173 x 210 mm
- Fuel System
- carburetor
- Air Cleaner
- dry
- Rated Rpm
- 725
- Coolant Capacity
- 52 qts49.2 L
- Fuel Type
- kerosene
- Cylinders
- 2
- Cooling
- liquid-cooled horizontal
Engine Options
Rumley 9.9L 2-cyl kerosene
- Fuel Tank
- 25.75 gal97.5 L
- Aux Fuel
- 1.25 gal4.7 L
OilPull X 25/40 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 3 forward and 1 reverse
- Clutch
- dry disc
OilPull X 25/40 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Weight
- 9,300 lbs4218 kg
- Front Tire
- 34x7
- Rear Tire
- 52x16
Tires And Tracks
- Front Ag
- 34x7 steel
- Rear Ag
- 52x16 steel
OilPull X 25/40 / 05
Tests (NTTL)
Nebraska Tractor Test 143
Kerosene 3-speed 2WDOctober 6 - 13, 1927
Drawbar performance
Gear 1 used for power test.
Gear 1 used for pull test.
- Id
- 143
- Belt Power Max
- 50.26 hp37.5 kW
- Belt Fuel Use Max
- 5.8 gal/hour22.0 l/hour
- Max Power
- 38.66 hp28.8 kW
- Max Pull
- 4787.5 lbs2171 kg