Tractor · 1938Unverified
Caterpillar D4
Caterpillar D4 — Model year 1938-19471947-1959 · 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
Weight
9970 to 10250 pounds
Hover a source tag to verify
Overview
ManufacturerCaterpillarReference
Agricultural Crawler tractorReference
Built in Peoria, Illinois, USAReference
DrivecrawlerReference
Steeringmanual clutchesReference
Open operator station.Reference
Engine
Caterpillar 5.1L 4-cyl dieselReference
Fuel tank75.7 LReference
Drawbar (tested)26.1 kWReference
Belt (tested)29.7 kWReference
Caterpillar D4400Reference
dieselReference
4-cylinderReference
liquid-cooledReference
The D4400 was used on the RD4/D4 tractors through the 5T series.Reference
Displacement5.1 LReference
Bore/Stroke108 x 140 mmReference
Air cleaneroil bathReference
Compression17.3:1Reference
Rated RPM1400Reference
Torque570.9 NmReference
Torque RPM1000Reference
Oil capacity15.1 LReference
Coolant capacity41.6 LReference
Belt power (max)29.7 kWReference
Max power26.1 kWReference
Transmission
5-speed gearReference
TypegearReference
Gears5 forward and 1 reverseReference
Clutchdry discReference
Oil capacity18.9 LReference
Dimensions
Wheelbase155 cmReference
Weight9970 to 10250 poundsReference
13-inch tracksReference
Length306 cmReference
Width157 cmReference
Width198 cmReference
Height (hood)153 cmReference
Weight4522 kgReference
Weight4649 kgReference
Ground clearance28 cmReference
Clearance (drawbar)36 cmReference
Gauge111 cmReference
Gauge152 cmReference
D4 Serial Numbers
Location:Serial number plate on the rear of the tractor, upper-left of the transmission case.Reference
19364G1Reference
19374G3663Reference
19384G8858Reference
19394G9912Reference
19397J1Reference
19407J1758Reference
19417J4119Reference
19427J7544Reference
19432T1Reference
19442T3306Reference
19452T8224Reference
19455T1Reference
19465T3524Reference
19475T6780Reference
FAQ: How to read a serial number table.Reference
Links
Caterpillar D-4: A story on the use of a D-4 by VanNatta ForestryReference
Caterpillar D4 Tracks
Width33 cmReference
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.