Rumely OilPull X 25/40 tractor specifications

1928 - 1930

1928 - 1930 Standard-tread tractor

Production

Production Manufacturer:Advance-Rumely
Type:Standard-tread tractor
Factory:La Porte, Indiana, USA
Total built:2,400

Advance-Rumely OilPull X 25/40 Power

Advance-Rumely OilPull X 25/40 Power Drawbar (claimed):25 hp
18.6 kW
Belt (claimed):40 hp
29.8 kW
Drawbar (tested):38.66 hp
28.8 kW
Belt (tested):50.26 hp
37.5 kW
power test details ...

1928 - 1930

Standard-tread tractor

Nebraska Tractor Test 143

Nebraska Tractor Test 143
Kerosene 3-speed 2WD October 6 - 13, 1927 Link: Nebraska Tractor Test 143 file
Belt power (max):	50.26 hp 37.5 kW
Belt fuel use (max):	5.8 gal/hour 22.0 l/hour
Drawbar performance
Max power:	38.66 hp 28.8 kW
Gear 1 used for power test.
Max pull:	4787.5 lbs 2171 kg
Gear 1 used for pull test.

Advance-Rumely OilPull X 25/40 Engine

Advance-Rumely OilPull X 25/40 Engine Rumley 9.9L 2-cyl kerosene Fuel tank:25.75 gal
97.5 L
Aux. fuel:1.25 gal
4.7 L
Engine details ...

1928 - 1930

Standard-tread tractor

Engine Detail

Engine Detail
Rumley
kerosene
2-cylinder
liquid-cooled horizontal
Displacement:	601.4 ci 9.9 L
Bore/Stroke:	6.8125x8.25 inches 173 x 210 mm
Fuel system:	carburetor
Air cleaner:	dry
Rated RPM:	725
Coolant capacity:	52 qts 49.2 L