
CaterpillarModel A
Caterpillar D4D SA Special Application
Crawler
- power
- 74 hp
- displacement
- 425 ci
- Cylinders
- 4
- Forward gears
- 5
Head to head · Crawler

Crawler
Crawler
How they compare
D4D SA Special Application is in the 47th percentile; D9 is in the 99th · 191 models
D4D SA Special Application is in the 33rd percentile; D9 is in the 50th · 192 models
D4D SA Special Application is in the 25th percentile; D9 is in the 34th · 179 models
D4D SA Special Application is in the 44th percentile; D9 is in the 99th · 173 models
Full comparison
| Spec | Caterpillar D4D SA Special Application | Caterpillar D9 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Caterpillar | Same |
| Model | D4D SA Special Application | D9 | — |
| Category | Crawler, Agricultural | Crawler | — |
| Spec | Caterpillar D4D SA Special Application | Caterpillar D9 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Caterpillar | Same |
| Model | D330 | D353 | — |
| Power Output | 74hp | Not recorded | — |
| Rated RPM | 2,000RPM | 1,240RPM | ▲ D4D SA Special Application+760 RPM · +61% |
| Cylinders | 4 | 6 | ▲ D9+2 · +50% |
| Displacement | 425ci | 1,473ci | ▲ D9+1,048 ci · +247% |
| Bore | 4.8in | 6.3in | ▲ D9+1.5 in · +31% |
| Stroke | 6in | 8in | ▲ D9+2 in · +33% |
| Spec | Caterpillar D4D SA Special Application | Caterpillar D9 | Difference |
|---|---|---|---|
| Type | Gear | Gear / Torque Converter | — |
| Spec | Caterpillar D4D SA Special Application | Caterpillar D9 | Difference |
|---|---|---|---|
| Length | 132in | 215in | ▲ D9+83 in · +63% |
| Width | 78in | 120in | ▲ D9+42 in · +54% |
| Height | 96in | 105in | ▲ D9+9 in · +9% |
| Operating Weight | 15,200lb | 66,025lb | ▲ D9+50,825 lb · +334% |
| Spec | Caterpillar D4D SA Special Application | Caterpillar D9 | Difference |
|---|---|---|---|
| System Type | Open Center | Not recorded | — |
| Spec | Caterpillar D4D SA Special Application | Caterpillar D9 | Difference |
|---|---|---|---|
| Chassis Type | crawler | Not recorded | — |
| Spec | Caterpillar D4D SA Special Application | Caterpillar D9 | Difference |
|---|---|---|---|
| Starter Type | Electric | 2-Cylinder Gas Pony Engine | — |
| Spec | Caterpillar D4D SA Special Application | Caterpillar D9 | Difference |
|---|---|---|---|
| Coolant | 8gal | Not recorded | — |
Category context