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Industrial Tractor · 1974Unverified

Caterpillar DD9H

Name: Caterpillar DD9H
Brand: Caterpillar

Caterpillar DD9H — Bulldozer · 820 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

820 hp

Weight

178800 to 185400 pounds

Hover a source tag to verify

Overview

ManufacturerCaterpillarReference

BulldozerReference

Built in Peoria, Illinois, USAReference

The DD9H consisted of two D9H tractors connected in tandem. The operator controlled both machines from the front tractor using pneumo-hydraulic controls. The front tractor was fitted with a 12 CFM compressor and two air supply tanks.Reference

DrivecrawlerReference

Final drivesplanetaryReference

Cab optional with available air-conditioning.Reference

Variants

DD9Htandem D9sReference

SxS D9Hside-by-side D9HsReference

Engine

Caterpillar 24.1L 6-cyl dieselReference

Fuel tank1741.1 LReference

Engine (net)611.5 kWReference

Caterpillar D353Reference

turbocharged dieselReference

6-cylinderReference

liquid-cooled inlineReference

Displacement24.1 LReference

Bore/Stroke159 x 203 mmReference

Power (net)611.5 kWReference

StarterelectricReference

Starter volts24Reference

Oil capacity42.6 LReference

Coolant capacity155.2 LReference

Transmission

3-speed power shiftReference

Typepower shiftReference

Gears3 forward and reverseReference

The Caterpillar DD9H consisted of two linked tractors so it had two D353 engines. Figures shown, except horsepower, are for a single engine.Reference

Dimensions

Weight178800 to 185400 poundsReference

24-inch tracksReference

9C dozer length1290 cmReference

Height (cab)363 cmReference

Height (exhaust)375 cmReference

Shipping weight81103 kgReference

Operating weight84097 kgReference

Gauge228 cmReference