Tractor · 1928Unverified
Advance-Rumely OilPull X 25/40
Advance-Rumely OilPull X 25/40 — Standard-tread tractor · 25 hp. Reference specifications; pending source verification.
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
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.