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Caterpillar industrial tractors

Caterpillar D9N

The Caterpillar D9N is an industrial crawler tractor produced from 1986 to 1995. It features a powerful Caterpillar 3408 turbocharged 8-cylinder diesel engine with 401 hp gross power and 370 hp net power. The tractor uses a 3-speed power shift transmission and has a crawler drive with planetary final drives. It weighs approximately 112,496 lbs (51,028 kg) and runs on 24-inch industrial tracks front and rear. The electrical system includes a 12-volt battery and alternator charging system. Built in Peoria, Illinois, USA, the D9N is a robust machine designed for heavy industrial applications.
Power-
Founded-
ModelD9N
Caterpillar D9N tractor
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Technical Specifications

Detailed specifications and technical data for Caterpillar D9N

Power
Engine (net)370 hp (275.9 kW)
Engine (gross)401 hp (299.0 kW)
Engine
Typeturbocharged diesel
ModelCaterpillar 3408
Coolingliquid-cooled
Starterelectric
Cylinders8-cylinder
Bore/Stroke5.40x6.00 inches (137 x 152 mm)
Power (net)370 hp (275.9 kW)
Displacement1099 ci (18.0 L)
Power (gross)401 hp (299.0 kW)
Starter volts24
Tracks
Industrial rear24-inch tracks
Industrial front24-inch tracks
Dimensions
Operating weight112496 lbs (51028 kg)
Electrical
Battery volts12
Charging systemalternator
Mechanical
Drivecrawler
Final drivesplanetary
Production
TypeIndustrial Crawler tractor
FactoryBuilt in Peoria, Illinois, USA
ManufacturerCaterpillar
Years produced1986 - 1995
Transmission
Typepower shift
Gears3 forward and reverse

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