Advance-Rumely OilPull X 25/40
The Advance-Rumely OilPull X 25/40 is a tractor produced by Rumely. It is equipped with a 601.4 ci 9.9 L engine. The rated power output is 50.26 hp 37.5 kW. Transmission: 3 forward and 1 reverse. Operating weight: 9,300 lbs 4218 kg.
Engine Power
50.26 hp
37.5 kW
Fuel & Capacities
25.75 gal
97.5 L
Transmission
3 forward and 1 reverse
Operating Weight
9,300 lbs
4218 kg
Rumely Advance-Rumely OilPull X 25/40 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1928 - 1930
Standard-tread tractor |
|---|---|
1928 - 1930 | |
Standard-tread tractor | |
Production | |
|---|---|
Manufacturer | Advance-Rumely |
Standard-tread tractor | |
Built in La Porte, Indiana, USA | |
Total built | 2,400 |
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 ...  | |
Advance-Rumely OilPull X 25/40 Transmission | |
|---|---|
3-speed gear | |
Transmission details ...  |
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 |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Steering | manual |
Open operator station. | |
Dimensions & Tires | |
|---|---|
Weight | 9,300 lbs
4218 kg |
Front tire | 34x7 |
Rear tire | 52x16 |
Full dimensions and tires ...  | |
Belt Pulley | |
|---|---|
Diameter | 18.75 inches
47 cm |
Width | 8.5 inches
21 cm |
RPM | 725 |
Engine
Engine Detail — 601.4 ci / 9.9 L Kerosene
Manufacturer | Rumley |
Fuel Type | Kerosene |
Configuration | 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 |
Transmission
Transmission — 3 forward and 1 reverse gear
Type | gear |
Gears | 3 forward and 1 reverse |
Clutch | dry disc |
 | |
Dimensions
Advance-Rumely OilPull X 25/40 Tires | |
|---|---|
Ag front | 34x7 steel |
Ag rear | 52x16 steel |
Dimensions | |
|---|---|
Length | 151 inches
383 cm |
Width | 72 inches
182 cm |
Height | 101 inches
256 cm |
Weight | 9,300 lbs
4218 kg |
Tests
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. | |
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