Caterpillar Diesel Forty
The Caterpillar Diesel Forty is a tractor produced by Caterpillar. It is equipped with a 624 ci 10.2 L engine. The rated power output is 48.60 hp 36.2 kW. Transmission: 4 forward and 1 reverse. Drive type: crawler. Operating weight: 15642 lbs 7095 kg.
Engine Power
48.60 hp
36.2 kW
Drive & Traction
crawler
Fuel & Capacities
45 gal
170.3 L
Transmission
4 forward and 1 reverse
Operating Weight
15642 lbs
7095 kg
Caterpillar Diesel Forty 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
 | 1934 - 1936
Agricultural Crawler tractor |
|---|---|
1934 - 1936 | |
Agricultural Crawler tractor | |
Production | |
|---|---|
Manufacturer | Caterpillar |
Agricultural Crawler tractor | |
Built in Peoria, Illinois, USA | |
Variants | |
|---|---|
Forty | gas engine |
Diesel Forty | diesel engine |
Caterpillar Diesel Forty Engine | |
|---|---|
Caterpillar 10.2L 3-cyl diesel | |
Fuel tank | 45 gal
170.3 L |
Engine details ...  | |
Caterpillar Diesel Forty Transmission | |
|---|---|
4-speed gear | |
Transmission details ...  |
Caterpillar Diesel Forty Power | |
|---|---|
Drawbar (tested) | 50.44 hp
37.6 kW |
Belt (tested) | 56.05 hp
41.8 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | crawler |
Open operator station | |
Dimensions & Tracks | |
|---|---|
Weight | 15642 lbs
7095 kg |
16-inch tracks | |
Full dimensions and tracks ...  | |
Engine
Engine Detail — 624 ci / 10.2 L Diesel
Manufacturer | Caterpillar D6600 |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 624 ci
10.2 L |
Bore/Stroke | 5.75x8.00 inches
146 x 203 mm |
Rated RPM | 1000 |
Transmission
Transmission — 4 forward and 1 reverse gear
Type | gear |
Gears | 4 forward and 1 reverse |
 | |
Dimensions
Caterpillar Diesel Forty Tracks | |
|---|---|
Width | 16 inches
40 cm |
Dimensions | |
|---|---|
Weight | 15642 lbs
7095 kg |
Gauge | 56 inches
142 cm |
Gauge | 74 inches
187 cm |
Tests
Tractor Tests | |
|---|---|
NTTL 242: diesel (1000 RPM) 4-speed crawler | |
NTTL 243: diesel (850 RPM) 4-speed crawler |
Nebraska Tractor Test 242 | |
|---|---|
Diesel (1000 RPM) 4-speed crawler
August 19 - September 9, 1935
Link: Nebraska Tractor Test 242 file | |
Belt power (max) | 56.05 hp
41.8 kW |
Belt fuel use (max) | 4.1 gal/hour
15.5 l/hour |
Drawbar performance | |
Max power | 50.44 hp
37.6 kW |
Gear 2 used for power test. | |
Max pull | 9750 lbs
4422 kg |
Gear 2 used for pull test. | |
Nebraska Tractor Test 243 | |
|---|---|
Diesel (850 RPM) 4-speed crawler
September 10 - 12, 1935
Link: Nebraska Tractor Test 243 file | |
Belt power (max) | 48.60 hp
36.2 kW |
Belt fuel use (max) | 3.4 gal/hour
12.9 l/hour |
Drawbar performance | |
Max power | 42.82 hp
31.9 kW |
Gear 1 used for power test. | |
Max pull | 9692 lbs
4396 kg |
Gear 1 used for pull test. | |
Photos
Caterpillar Diesel Forty tractor photo
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