Tractor · 1934Unverified
Caterpillar R5
Caterpillar R5 — Agricultural Crawler tractor · 50 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
50 hp
Max power
36.9 kW
Weight
6202 kg
Hover a source tag to verify
Overview
ManufacturerCaterpillarReference
Agricultural Crawler tractorReference
Built in Peoria, Illinois, USAReference
The Caterpillar R5 was originally a special-order machine for the US Government. It was first based on the Thirty-Five, then the Forty. Later models were the gas counterpart to the RD6.Reference
DrivecrawlerReference
Open operator station.Reference
Engine
Caterpillar 10.1L 4-cyl gasolineReference
Fuel tank189.2 LReference
Drawbar (claimed)37.3 kWReference
Belt (claimed)43.3 kWReference
Drawbar (tested)36.9 kWReference
Belt (tested)43.9 kWReference
CaterpillarReference
gasolineReference
4-cylinderReference
liquid-cooledReference
Displacement10.1 LReference
Bore/Stroke140 x 165 mmReference
Rated RPM950Reference
Oil capacity13.2 LReference
Coolant capacity35.0 LReference
Belt power (max)43.9 kWReference
Max power36.9 kWReference
Transmission
4-speed gearReference
TypegearReference
Gears4 forward and 1 reverseReference
Clutchdry discReference
Oil capacity18.9 LReference
Dimensions
Weight6202 kgReference
16-inch tracksReference
Length354 cmReference
Width184 cmReference
Height176 cmReference
Ground clearance24 cmReference
Gauge142 cmReference
R5 Serial Numbers
19345E3001Reference
19355E3086Reference
19365E3421Reference
19364H501Reference
19384H936Reference
19364H1132Reference
19404H1320Reference
19403R1Reference
FAQ: How to read a serial number table.Reference
Capacities
Diameter30 cmReference
Width21 cmReference
RPM950Reference
Caterpillar R5 Tracks
Width40 cmReference
Length on ground181 cmReference
Area on ground1.5 m²Reference
Test results
Gasoline 4-speed crawlerJuly 12 - 20, 1934Link: Nebraska Tractor Test 224 fileReference
Drawbar performanceReference
Gear 2 used for power test.Reference
Max pull4914 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.