
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; D7 is in the 88th · 191 models
D4D SA Special Application is in the 33rd percentile; D7 is in the 33rd · 192 models
D4D SA Special Application is in the 25th percentile; D7 is in the 25th · 179 models
D4D SA Special Application is in the 44th percentile; D7 is in the 52nd · 173 models
Full comparison
| Spec | Caterpillar D4D SA Special Application | Caterpillar D7 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Caterpillar | Same |
| Model | D4D SA Special Application | D7 | — |
| Category | Crawler, Agricultural | Crawler | — |
| Spec | Caterpillar D4D SA Special Application | Caterpillar D7 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Caterpillar | Same |
| Model | D330 | Not recorded | — |
| Power Output | 74hp | Not recorded | — |
| Rated RPM | 2,000RPM | 1,050RPM | ▲ D4D SA Special Application+950 RPM · +90% |
| Cylinders | 4 | 4 | Same |
| Displacement | 425ci | 831ci | ▲ D7+406 ci · +96% |
| Bore | 4.8in | 5.8in | ▲ D7+1 in · +21% |
| Stroke | 6in | 8in | ▲ D7+2 in · +33% |
| Spec | Caterpillar D4D SA Special Application | Caterpillar D7 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
| Spec | Caterpillar D4D SA Special Application | Caterpillar D7 | Difference |
|---|---|---|---|
| Length | 132in | 162in | ▲ D7+30 in · +23% |
| Width | 78in | 97in | ▲ D7+19 in · +24% |
| Height | 96in | 80in | ▲ D4D SA Special Application+16 in · +20% |
| Operating Weight | 15,200lb | 24,330lb | ▲ D7+9,130 lb · +60% |
| Spec | Caterpillar D4D SA Special Application | Caterpillar D7 | Difference |
|---|---|---|---|
| System Type | Open Center | Not recorded | — |
| Steering Type | Not recorded | Manual Clutches | — |
| Spec | Caterpillar D4D SA Special Application | Caterpillar D7 | Difference |
|---|---|---|---|
| Chassis Type | crawler | Not recorded | — |
| Steering Type | Not recorded | Manual Clutches | — |
| Spec | Caterpillar D4D SA Special Application | Caterpillar D7 | Difference |
|---|---|---|---|
| Starter Type | Electric | 2-cylinder Pony Engine | — |
| Spec | Caterpillar D4D SA Special Application | Caterpillar D7 | Difference |
|---|---|---|---|
| Coolant | 8gal | 18gal | ▲ D7+10 gal · +125% |
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