Tractor · 1938Unverified
Caterpillar D2
Caterpillar D2 — Agricultural Crawler tractor · 28 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
28 hp
Max power
18.8 kW
Weight
7420 to 8536 pounds
Hover a source tag to verify
Overview
ManufacturerCaterpillarReference
Agricultural Crawler tractorReference
Built in Peoria, Illinois, USAReference
DrivecrawlerReference
Steeringmechanical clutchesReference
Open operator station.Reference
Engine
Caterpillar 3.6L 4-cyl dieselReference
Caterpillar 4.1L 4-cyl dieselReference
Drawbar (tested)27.3 kWReference
Belt (tested)31.2 kWReference
CaterpillarReference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement3.6 LReference
Bore/Stroke95 x 127 mmReference
Rated RPM1525Reference
Torque169.5 NmReference
Torque RPM1050Reference
Displacement4.1 LReference
Bore/Stroke102 x 127 mmReference
Compression18.5:1Reference
Rated RPM1525 (early)Reference
Rated RPM1650 (late)Reference
Starter typegasoline pony motorReference
Belt power (max)22.4 kWReference
Power at rated engine speed20.5 kWReference
Max power18.8 kWReference
Belt power (max)26.9 kWReference
Power at rated engine speed24.5 kWReference
Max power22.6 kWReference
Belt power (max)31.2 kWReference
Power at rated engine speed21.6 kWReference
Max power27.3 kWReference
Transmission
5-speed gearReference
TypegearReference
Gears5 forward and 1 reverseReference
Clutchdry discReference
PTO & Hydraulics
PTO (tested)24.5 kWReference
Dimensions
Weight7420 to 8536 poundsReference
12-inch tracksReference
Length274 cmReference
Height146 cmReference
Weight3365 kgReference
Weight3871 kgReference
Gauge101 cmReference
Gauge127 cmReference
Caterpillar D2 Tracks
Width30 cmReference
Test results
NTTL 322: 251 diesel 5-speed crawlerReference
NTTL 418: 252 diesel 5-speed crawlerReference
NTTL 553: 252 diesel 5-speed crawlerReference
251 diesel 5-speed crawlerJuly 24 - August 4, 1939Link: Nebraska Tractor Test 322 fileReference
PTO performanceReference
Fuel use7.9 l/hourReference
Drawbar performanceReference
Gear 1 used for power test.Reference
Max pull2677 kgReference
252 diesel 5-speed crawlerJuly 11 - 26, 1949Link: Nebraska Tractor Test 418 fileReference
Fuel use9.1 l/hourReference
Gear 2 used for power test.Reference
Max pull3074 kgReference
Gear 1 used for pull test.Reference
252 diesel 5-speed crawlerJuly 25 - 30, 1955Link: Nebraska Tractor Test 553 fileReference
Fuel use10.2 l/hourReference
Max pull3362 kgReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.