Advance-Rumely OilPull M 20/35 Specs ( 1924-1927 )
Overview
The Advance-Rumely OilPull M 20/35 is a heavy-duty farm tractor produced between 1924 and 1927, featuring a 9.9L 2-cylinder kerosene engine and a weight of 8,600 lbs. Built in La Porte, Indiana, this machine provides a claimed 35 belt horsepower and 20 drawbar horsepower, supported by a three-speed gear transmission and steel tires.
Ideal Applications
Stationary Power Applications:
With a claimed 35 belt horsepower and a liquid-cooled 9.9L engine running at a rated 640 RPM, this tractor is well-suited for powering various types of stationary farm machinery.
Heavy-Duty Pulling:
The 8,600 lb operating weight and mechanical rear differential lock provide the necessary stability and traction to utilize the 20 claimed drawbar horsepower for field work.
Extended Field Tasks:
A total fuel capacity of over 25 gallons across its main and auxiliary tanks allows for consistent operation during long shifts in standard-tread agricultural applications.
Production
| Description | Standard-tread tractor / Built in La Porte, Indiana |
|---|---|
| Manufacturer | Advance-Rumely |
| Total built | 3,671 |
Engine
| Aux. fuel | 1.25 gal (4.7 L) |
|---|---|
| Engine type | Rumley 9.9L 2-cyl kerosene |
| Fuel tank | 25.75 gal (97.5 L) |
| Bore/Stroke | 6.8125x8.25 inches (173 x 210 mm) |
| Coolant capacity | 52 qts (49.2 L) |
| Description | Rumley / kerosene / 2-cylinder / liquid-cooled horizontal opposed |
| Displacement | 601.4 ci (9.9 L) |
| Rated RPM | 640 |
| Belt (claimed) | 35 hp (26.1 kW) |
| Drawbar (claimed) | 20 hp (14.9 kW) |
Transmission
| Gears | 3 forward and 1 reverse |
|---|---|
| Transmission type | 3-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering |
| Differential lock | mechanical rear |
| Drive type | Two-wheel drive |
Dimensions & Tires
| Ag front | 34x7 steel |
|---|---|
| Ag rear | 52x16 steel |
| Height | 101 inches (256 cm) |
| Length | 151 inches (383 cm) |
| Weight | 8,600 lbs (3900 kg) |
| Width | 71.5 inches (181 cm) |
| Front tire | 34x7 |
| Rear tire | 52x16 |
| Weight | 8,600 lbs (3900 kg) |
OilPull M 20/35 Serial Numbers
| 1924 | 1 |
|---|---|
| 1925 | 2 |
| 1926 | 1014 |
| 1927 | 3085 |
| Description | FAQ: How to read a serial number table. |
References
| Description | Instruction Manual - Power Farming Schools published in 1927 |
|---|