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CaterpillarModel A
Caterpillar D6D SA Special Application
Specialized
- power
- Not recorded
- displacement
- 638 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Specialized
Specialized

Crawler
How they compare
D6D SA Special Application is in the 99th percentile; TD-25 Series 250 is in the 99th · 56 models
D6D SA Special Application is in the 99th percentile; TD-25 Series 250 is in the 99th · 58 models
D6D SA Special Application is in the 77th percentile; TD-25 Series 250 is in the 88th · 43 models
D6D SA Special Application is in the 97th percentile; TD-25 Series 250 is in the 99th · 50 models
Full comparison
| Spec | Caterpillar D6D SA Special Application | International Harvester TD-25 Series 250 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | International Harvester | — |
| Model | D6D SA Special Application | TD-25 Series 250 | — |
| Category | Specialized | Crawler | — |
| Spec | Caterpillar D6D SA Special Application | International Harvester TD-25 Series 250 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | International Harvester | — |
| Model | 3306 | Not recorded | — |
| Rated RPM | 2,000RPM | 1,500RPM | ▲ D6D SA Special Application+500 RPM · +33% |
| Cylinders | 6 | 6 | Same |
| Displacement | 638ci | 817ci | ▲ TD-25 Series 250+179 ci · +28% |
| Bore | 4.8in | 5.4in | ▲ TD-25 Series 250+0.6 in · +13% |
| Stroke | 6in | 6in | Same |
| Spec | Caterpillar D6D SA Special Application | International Harvester TD-25 Series 250 | Difference |
|---|---|---|---|
| Type | Gear | Two-speed power shift | — |
| Spec | Caterpillar D6D SA Special Application | International Harvester TD-25 Series 250 | Difference |
|---|---|---|---|
| Length | 156in | 197in | ▲ TD-25 Series 250+41 in · +26% |
| Width | 94in | 104in | ▲ TD-25 Series 250+10 in · +11% |
| Height | 124in | 128in | ▲ TD-25 Series 250+4 in · +3% |
| Operating Weight | 29,000lb | 45,550lb | ▲ TD-25 Series 250+16,550 lb · +57% |
| Spec | Caterpillar D6D SA Special Application | International Harvester TD-25 Series 250 | Difference |
|---|---|---|---|
| System Type | Open Center | Not recorded | — |
| Spec | Caterpillar D6D SA Special Application | International Harvester TD-25 Series 250 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | Category 3 | — |
| Spec | Caterpillar D6D SA Special Application | International Harvester TD-25 Series 250 | Difference |
|---|---|---|---|
| Starter Type | Electric Starter | Electric | — |
| Spec | Caterpillar D6D SA Special Application | International Harvester TD-25 Series 250 | Difference |
|---|---|---|---|
| Coolant | 10gal | 18.6gal | ▲ TD-25 Series 250+8.6 gal · +86% |
| Spec | Caterpillar D6D SA Special Application | International Harvester TD-25 Series 250 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context