Tractor · 1934Unverified
Caterpillar Diesel Forty
Caterpillar Diesel Forty — 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
37.6 kW
Weight
7095 kg
Hover a source tag to verify
Overview
ManufacturerCaterpillarReference
Agricultural Crawler tractorReference
Built in Peoria, Illinois, USAReference
DrivecrawlerReference
Open operator stationReference
Variants
Fortygas engineReference
Diesel Fortydiesel engineReference
Engine
Caterpillar 10.2L 3-cyl dieselReference
Fuel tank170.3 LReference
Drawbar (tested)37.6 kWReference
Belt (tested)41.8 kWReference
Caterpillar D6600Reference
dieselReference
3-cylinderReference
liquid-cooledReference
Displacement10.2 LReference
Bore/Stroke146 x 203 mmReference
Rated RPM1000Reference
Belt power (max)41.8 kWReference
Max power37.6 kWReference
Belt power (max)36.2 kWReference
Max power31.9 kWReference
Transmission
4-speed gearReference
TypegearReference
Gears4 forward and 1 reverseReference
Dimensions
Weight7095 kgReference
16-inch tracksReference
Gauge142 cmReference
Gauge187 cmReference
Diesel Forty Serial Numbers
19343G1Reference
19353G335Reference
19363G1957Reference
Final3G1971Reference
FAQ: How to read a serial number table.Reference
Caterpillar Diesel Forty Tracks
Width40 cmReference
Test results
NTTL 242: diesel (1000 RPM) 4-speed crawlerReference
NTTL 243: diesel (850 RPM) 4-speed crawlerReference
Diesel (1000 RPM) 4-speed crawlerAugust 19 - September 9, 1935Link: Nebraska Tractor Test 242 fileReference
Belt fuel use (max)15.5 l/hourReference
Drawbar performanceReference
Gear 2 used for power test.Reference
Max pull4422 kgReference
Gear 2 used for pull test.Reference
Diesel (850 RPM) 4-speed crawlerSeptember 10 - 12, 1935Link: Nebraska Tractor Test 243 fileReference
Belt fuel use (max)12.9 l/hourReference
Gear 1 used for power test.Reference
Max pull4396 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.