Tractor · 1935Unverified
Caterpillar RD4
Caterpillar RD4 — Agricultural Crawler tractor · 35 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
35 hp
Max power
26.1 kW
Hover a source tag to verify
Overview
ManufacturerCaterpillarReference
Agricultural Crawler tractorReference
Built in Peoria, Illinois, USAReference
DrivecrawlerReference
Open operator station.Reference
Engine
Caterpillar 5.1L 4-cyl dieselReference
Drawbar (tested)26.1 kWReference
Belt (tested)29.7 kWReference
CaterpillarReference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement5.1 LReference
Bore/Stroke108 x 140 mmReference
Rated RPM1400Reference
Belt power (max)29.7 kWReference
Max power26.1 kWReference
Transmission
5-speed gearReference
TypegearReference
Gears5 forward and 1 reverseReference
Clutchdry discReference
Dimensions
TracksReference
Gauge111 cmReference
Gauge152 cmReference
RD4 Serial Numbers
19364G1Reference
19374G3663Reference
19384G8858Reference
19394G9912Reference
FAQ: How to read a serial number table.Reference
Test results
Diesel 5-speed crawlerOctober 14 - 28, 1936Link: Nebraska Tractor Test 273 fileReference
Belt fuel use (max)11.0 l/hourReference
Drawbar performanceReference
Gear 2 used for power test.Reference
Max pull3561 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.