Caterpillar D8

The Caterpillar D8 is a tractor produced by Caterpillar. It is equipped with a 1246 ci 20.4 L engine. The rated power output is 115 hp 85.8 kW. Transmission: 6 forward and 2 reverse. Drive type: crawler. Operating weight: 36520 lbs 16565 kg.

Engine Power
115 hp 85.8 kW
Drive & Traction
crawler
Fuel & Capacities
57 gal 215.7 L
Transmission
6 forward and 2 reverse
Operating Weight
36520 lbs 16565 kg

Caterpillar D8 Serial Number & Year Decoder

Find the exact manufacture year of your tractor by checking your chassis serial number below.

Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.

Overview

Caterpillar D8 tractor photo
1937 - 1965 Model year 1937-19411945-19551955-19581958-1965 Agricultural Crawler tractor
1937 - 1965
Model year 1937-19411945-19551955-19581958-1965
Agricultural Crawler tractor
Production
Manufacturer
Caterpillar
Agricultural Crawler tractor
Built in Peoria, Illinois, USA
Caterpillar D8 Engine
Caterpillar 20.4L 6-cyl diesel
Fuel tank
57 gal 215.7 L
Engine details ...
Caterpillar D8 Transmission
6-speed gear
Transmission details ...
Caterpillar D8 Power
Engine
115 hp 85.8 kW
Drawbar (tested)
110.06 hp 82.1 kW
Belt (tested)
127.93 hp 95.4 kW
Performance test details ...
Mechanical
Drive
crawler
Open operator station.
Dimensions & Tracks
Weight
36520 lbs 16565 kg
20-inch tracks
Full dimensions and tracks ...

Engine

Engine Detail — 1246 ci / 20.4 L Diesel

Manufacturer
Caterpillar D13000
Fuel Type
Diesel
Configuration
6-cylinder, liquid-cooled
Displacement
1246 ci 20.4 L
Bore/Stroke
5.75x8.00 inches 146 x 203 mm
Power
115 hp 85.8 kW
Rated RPM
850

Transmission

Transmission — 6 forward and 2 reverse gear

Type
gear
Gears
6 forward and 2 reverse
D8  gear speeds

Dimensions

Caterpillar D8 Tracks
Width
20 inches 50 cm
Dimensions
Length
186 inches 472 cm
Width
101 inches 256 cm
Height
84 inches 213 cm
Weight
36520 lbs 16565 kg
Gauge
78 inches 198 cm

Tests

Tractor Tests
NTTL 314: diesel 6-speed crawler
NTTL 357: diesel 6-speed crawler
Nebraska Tractor Test 314
Diesel 6-speed crawler November 28, 1939 - November 30, 1938 Link: Nebraska Tractor Test 314 file
Belt power (max)
109.64 hp 81.8 kW
Belt fuel use (max)
7.0 gal/hour 26.5 l/hour
Drawbar performance
Max power
96.67 hp 72.1 kW
Gear 2 used for power test.
Max pull
26110 lbs 11843 kg
Gear 1 used for pull test.
Nebraska Tractor Test 357
Diesel 6-speed crawler October 11 - 16, 1940 Link: Nebraska Tractor Test 357 file
Belt power (max)
127.93 hp 95.4 kW
Belt fuel use (max)
8.6 gal/hour 32.6 l/hour
Drawbar performance
Max power
110.06 hp 82.1 kW
Gear 2 used for power test.
Max pull
26208 lbs 11887 kg
Gear 1 used for pull test.

Photos

Caterpillar D8

Caterpillar D8

Caterpillar D8

Caterpillar D8