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
![]() | 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 |
![]() | |
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
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