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Tractor · 1928Unverified

Advance-Rumely OilPull X 25/40

Name: Advance-Rumely OilPull X 25/40
Brand: Advance-Rumely

Advance-Rumely OilPull X 25/40 — Standard-tread tractor · 25 hp. Reference specifications; pending source verification.

The Advance-Rumely OilPull X 25/40 is a tractor with a rated output of 25 hp, categorised as a compact model in its class. It was manufactured from 1928 to 1930. The tractor is equipped with a 2-cylinder liquid-cooled engine, driving through two-wheel drive via a 3-speed gearbox. Its listed weight is 4218 kg, suitable for operations on areas of up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

25 hp

Max power

28.8 kW

Weight

4218 kg

Catalogue coverage

Variants represented

Richest spec table

51 rows

Recorded power

25 hp

Recorded weight

4218 kg

Transmissions

3-speed gear

Production years

1928-1930

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerAdvance-RumelyReference

Standard-tread tractorReference

Built in La Porte, Indiana, USAReference

Total built2,400Reference

Two-wheel driveReference

SteeringmanualReference

Open operator station.Reference

Engine

Rumley 9.9L 2-cyl keroseneReference

Fuel tank97.5 LReference

Aux. fuel4.7 LReference

Drawbar (claimed)18.6 kWReference

Belt (claimed)29.8 kWReference

Drawbar (tested)28.8 kWReference

Belt (tested)37.5 kWReference

RumleyReference

keroseneReference

2-cylinderReference

liquid-cooled horizontalReference

Displacement9.9 LReference

Bore/Stroke173 x 210 mmReference

Fuel systemcarburetorReference

Air cleanerdryReference

Rated RPM725Reference

Coolant capacity49.2 LReference

Belt power (max)37.5 kWReference

Max power28.8 kWReference

Transmission

3-speed gearReference

TypegearReference

Gears3 forward and 1 reverseReference

Clutchdry discReference

Dimensions

Weight4218 kgReference

Front tire34x7Reference

Rear tire52x16Reference

Ag front34x7 steelReference

Ag rear52x16 steelReference

Length383 cmReference

Width182 cmReference

Height256 cmReference

OilPull X 25/40 Serial Numbers

19281Reference

19292129Reference

19303734Reference

FAQ: How to read a serial number table.Reference

Capacities

Diameter47 cmReference

Width21 cmReference

RPM725Reference

Test results

Kerosene 3-speed 2WDOctober 6 - 13, 1927Link: Nebraska Tractor Test 143 fileReference

Belt fuel use (max)22.0 l/hourReference

Drawbar performanceReference

Gear 1 used for power test.Reference

Max pull2171 kgReference

Gear 1 used for pull test.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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