Tractor · 1935Unverified
Caterpillar RD7
Caterpillar RD7 — Agricultural Crawler tractor · 78 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
78 hp
Max power
49.0 kW
Weight
9534 kg
Hover a source tag to verify
Overview
ManufacturerCaterpillarReference
Agricultural Crawler tractorReference
Built in Peoria, Illinois, USAReference
DrivecrawlerReference
Open operator station.Reference
Engine
Caterpillar 13.6L 4-cyl dieselReference
Drawbar (tested)58.4 kWReference
Belt (tested)71.6 kWReference
CaterpillarReference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement13.6 LReference
Bore/Stroke146 x 203 mmReference
Air cleaneroil bathReference
Rated RPM1000Reference
Belt power (max)50.9 kWReference
Belt power (max)57.8 kWReference
Max power49.0 kWReference
Belt power (max)71.6 kWReference
Max power58.4 kWReference
Transmission
4-speed gearReference
TypegearReference
Gears4 forward and 1 reverseReference
Clutchdry discReference
Dimensions
Weight9534 kgReference
TracksReference
Operating weight9534 kgReference
Gauge152 cmReference
Gauge187 cmReference
Test results
NTTL 253: diesel 4-speed crawlerReference
NTTL 254: diesel 4-speed crawlerReference
NTTL 255: diesel 4-speed crawlerReference
Diesel 4-speed crawlerMay 5 - 15, 1936Reference
Drawbar performanceReference
Max pull6688 kgReference
Gear 1 used for pull test.Reference
Diesel 4-speed crawlerMay 21 - 25, 1936Link: Nebraska Tractor Test 254 fileReference
Belt fuel use (max)20.1 l/hourReference
Gear 2 used for power test.Reference
Max pull7302 kgReference
Diesel 4-speed crawlerMay 21 - 25, 1936Link: Nebraska Tractor Test 255 fileReference
Belt fuel use (max)34.1 l/hourReference
Max pull7612 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.