| Manufacturer |
Caterpillar |
| Price |
- |
| Model |
D7 |
| Equipment Type |
Agricultural Crawler Tractors |
| Factory |
Peoria, Illinois, USA |
NEBRASKA TRACTOR TEST 358 2
| Description |
Diesel 5-speed crawler/October 2 - 11, 1940/Link: Nebraska Tractor Test 358 file/Drawbar performance/Gear 2 used for power test./Gear 1 used for pull test. |
| Belt power (max) |
89.10 hp/66.4 kW |
| Belt fuel use (max) |
6.0 gal/hour/22.7 l/hour |
| Max power |
78.48 hp/58.5 kW |
| Max pull |
21351 lbs/9684 kg |
CATERPILLAR D7 POWER
| Drawbar (claimed) |
80 hp/59.7 kW |
| Belt (claimed) |
92 hp/68.6 kW |
| Drawbar (tested) |
78.48 hp/58.5 kW |
| Belt (tested) |
89.10 hp/66.4 kW |
ENGINE DETAIL
The Caterpillar D7 tractor features a robust 4-cylinder diesel engine with an 831 ci (13.6 L) displacement, providing substantial torque for heavy-duty applications. Its oil bath air cleaner ensures effective filtration under challenging conditions, while the unique 2-cylinder pony engine starter enhances reliability in cold starts. However, its larger coolant and oil capacities (72 qts and 22 qts respectively) may pose challenges in maintenance and add weight, making it less maneuverable in tight spaces.
| Description |
Caterpillar/diesel/4-cylinder/liquid-cooled |
| Displacement |
831 ci/13.6 L |
| Bore/Stroke |
5.75x8.00 inches/146 x 203 mm |
| Air cleaner |
oil bath |
| Rated RPM |
1050 |
| Starter type |
2-cylinder pony engine |
| Oil capacity |
22 qts/20.8 L |
| Coolant capacity |
72 qts/68.1 L |
CATERPILLAR D7 ENGINE
The Caterpillar D7 tractor is powered by a robust 13.6L 4-cylinder diesel engine, offering substantial torque and fuel efficiency suitable for heavy-duty applications. Its 65-gallon fuel tank provides extended operational time, minimizing downtime in large-scale operations. However, the tractor's weight and size may pose mobility challenges in confined spaces, making it ideal for open terrain projects.
| Description |
Caterpillar 13.6L 4-cyl diesel |
| Fuel tank |
65 gal/246.0 L |
TRANSMISSION 1
The Caterpillar D7 tractor features a gear system with 5 forward and 4 reverse options, enhancing its versatility for various terrain operations. Its dry metallic disc clutch provides reliable engagement but may require more frequent maintenance and adjustment compared to wet clutches. With an oil capacity of 40 quarts (37.9 liters), ensure regular oil changes to maintain optimal engine performance and prevent overheating in demanding conditions.
| Type |
gear |
| Gears |
5 forward and 4 reverse |
| Clutch |
dry metallic disc |
| Oil capacity |
40 qts/37.9 L |
TRANSMISSION 2
The Caterpillar D7 tractor features a robust gear system with 5 forward and 4 reverse speeds, allowing for versatile operation in various terrains. Its dry metallic disc clutch provides durability but may require more maintenance compared to hydraulic clutches, especially in heavy agricultural or construction applications. With an oil capacity of 40 quarts (37.9 L), ensure regular oil changes to maintain optimal performance and extend engine life.
| Type |
gear |
| Gears |
5 forward and 4 reverse |
| Clutch |
dry metallic disc |
| Oil capacity |
40 qts/37.9 L |
MECHANICAL
The Caterpillar D7 tractor features a crawler chassis which provides excellent traction on varied terrains. Its manual clutch steering system allows for precise maneuverability, though it may require more operator effort compared to hydrostatic systems. The contracting band brakes offer strong stopping power but can be challenging in terms of maintenance, making this model best suited for operators familiar with traditional mechanical controls.
| Chassis |
crawler |
| Steering |
manual clutches |
| Brakes |
contracting band |
| Cab |
Open operator station. |
| Transmission |
5-speed gear |
CATERPILLAR D7 TRACKS
DIMENSIONS
| Length |
162.25 inches/412 cm |
| Width |
97 inches/246 cm |
| Height (hood) |
80 inches/203 cm |
| Shipping weight |
24,330 lbs/11036 kg |
| Ground clearance |
15.5 inches/39 cm |
| Clearance (drawbar) |
17.25 inches/43 cm |
| Gauge |
74 inches/187 cm |
DIMENSIONS & TRACKS
| Weight |
24,330 lbs/11036 kg |
| Description |
20-inch tracks |
