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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
Caterpillar D6D SA Special Application vs International Harvester BTD-20
International HarvesterModel B
International Harvester BTD-20
Crawler
- power
- Not recorded
- displacement
- 743 ci
- Cylinders
- 6
- Forward gears
- 6
CaterpillarCaterpillar D6D SA Special Application
vs
International HarvesterInternational Harvester BTD-20
How they compare
Headline specs vs. the whole Specialized
Engine Displacement
▲ BTD-20 higher · +105 ci (+16%)D6D SA Special Application638 ci
BTD-20743 ci
Median Specialized Tractor239 ci
D6D SA Special Application is in the 99th percentile; BTD-20 is in the 99th · 56 models
Cylinders
= Effectively tiedD6D SA Special Application6
BTD-206
Median Specialized Tractor4
D6D SA Special Application is in the 99th percentile; BTD-20 is in the 99th · 58 models
Forward Gears
= Effectively tiedD6D SA Special Application6
BTD-206
Median Specialized Tractor4
D6D SA Special Application is in the 77th percentile; BTD-20 is in the 77th · 43 models
Operating Weight
▲ BTD-20 higher · +1,300 lb (+4%)D6D SA Special Application29,000 lb
BTD-2030,300 lb
Median Specialized Tractor12,600 lb
D6D SA Special Application is in the 97th percentile; BTD-20 is in the 99th · 50 models
D6D SA Special Application (A)BTD-20 (B)Median Specialized Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Caterpillar D6D SA Special Application | International Harvester BTD-20 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | International Harvester | — |
| Model | D6D SA Special Application | BTD-20 | — |
| Category | Specialized | Crawler | — |
Engine
| Spec | Caterpillar D6D SA Special Application | International Harvester BTD-20 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Rolls-Royce | — |
| Model | 3306 | C6N | — |
| Rated RPM | 2,000RPM | 1,550RPM | ▲ D6D SA Special Application+450 RPM · +29% |
| Cylinders | 6 | 6 | Same |
| Displacement | 638ci | 743ci | ▲ BTD-20+105 ci · +16% |
| Bore | 4.8in | 5.1in | ▲ BTD-20+0.3 in · +6% |
| Stroke | 6in | 6in | Same |
Transmission
| Spec | Caterpillar D6D SA Special Application | International Harvester BTD-20 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
Dimensions & Weight
| Spec | Caterpillar D6D SA Special Application | International Harvester BTD-20 | Difference |
|---|---|---|---|
| Length | 156in | 165in | ▲ BTD-20+9 in · +6% |
| Width | 94in | 94in | Same |
| Height | 124in | 89.7in | ▲ D6D SA Special Application+34.3 in · +38% |
| Operating Weight | 29,000lb | 30,300lb | ▲ BTD-20+1,300 lb · +4% |
Hydraulics
| Spec | Caterpillar D6D SA Special Application | International Harvester BTD-20 | Difference |
|---|---|---|---|
| System Type | Open Center | Not recorded | — |
Electrical
| Spec | Caterpillar D6D SA Special Application | International Harvester BTD-20 | Difference |
|---|---|---|---|
| Starter Type | Electric Starter | Electric Starter | Same |
Capacities
| Spec | Caterpillar D6D SA Special Application | International Harvester BTD-20 | Difference |
|---|---|---|---|
| Coolant | 10gal | 10.8gal | ▲ BTD-20+0.8 gal · +8% |
Operator Station
| Spec | Caterpillar D6D SA Special Application | International Harvester BTD-20 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Displacement
median 239 ciA · 99th percentile (638 ci)B · 99th percentile (743 ci)
Cylinders
median 4A · 99th percentile (6)B · 99th percentile (6)
Forward Gears
median 4A · 77th percentile (6)B · 77th percentile (6)
Operating Weight
median 12,600 lbA · 97th percentile (29,000 lb)B · 99th percentile (30,300 lb)
Length
median 274 inA · 27th percentile (156 in)B · 29th percentile (165 in)
A · D6D SA Special ApplicationB · BTD-20Median Specialized Tractor