
CaterpillarModel A
Caterpillar D3C SA Special Application
Agricultural
- power
- 110 hp
- displacement
- 318 ci
- Cylinders
- 4
- Forward gears
- 5
Head to head · Agricultural

Agricultural
Agricultural
How they compare
D3C SA Special Application is in the 50th percentile; MT645B is in the 86th · 1,028 models
D3C SA Special Application is in the 49th percentile; MT645B is in the 79th · 1,083 models
D3C SA Special Application is in the 31st percentile; MT645B is in the 74th · 1,130 models
D3C SA Special Application is in the 68th percentile; MT645B is in the 82nd · 971 models
Full comparison
| Spec | Caterpillar D3C SA Special Application | Challenger MT645B | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Challenger | — |
| Model | D3C SA Special Application | MT645B | — |
| Category | Agricultural | Agricultural | Same |
| Spec | Caterpillar D3C SA Special Application | Challenger MT645B | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Sisu | — |
| Model | 3204 | 74ETA | — |
| Power Output | 110hp | 235hp | ▲ MT645B+125 hp · +114% |
| Rated RPM | 2,400RPM | 2,200RPM | ▲ D3C SA Special Application+200 RPM · +9% |
| Cylinders | 4 | 6 | ▲ MT645B+2 · +50% |
| Displacement | 318ci | 449ci | ▲ MT645B+131 ci · +41% |
| Bore | 4.5in | 4.3in | ▲ D3C SA Special Application+0.2 in · +5% |
| Stroke | 5in | 5.3in | ▲ MT645B+0.3 in · +6% |
| Spec | Caterpillar D3C SA Special Application | Challenger MT645B | Difference |
|---|---|---|---|
| Type | Gear | continuously variable transmission (CVT) | — |
| Spec | Caterpillar D3C SA Special Application | Challenger MT645B | Difference |
|---|---|---|---|
| Length | 146in | 206in | ▲ MT645B+60 in · +41% |
| Width | 76.5in | 118in | ▲ MT645B+41.5 in · +54% |
| Height | 108in | 124in | ▲ MT645B+16 in · +15% |
| Operating Weight | 14,750lb | 19,595lb | ▲ MT645B+4,845 lb · +33% |
| Spec | Caterpillar D3C SA Special Application | Challenger MT645B | Difference |
|---|---|---|---|
| System Type | Not recorded | Pressure Flow Compensated (PFC) | — |
| Spec | Caterpillar D3C SA Special Application | Challenger MT645B | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Three-Point Hitch | — |
| Hitch Category | Not recorded | III | — |
| Hitch Position | Not recorded | Rear | — |
| Spec | Caterpillar D3C SA Special Application | Challenger MT645B | Difference |
|---|---|---|---|
| Chassis Type | Crawler | Not recorded | — |
| Spec | Caterpillar D3C SA Special Application | Challenger MT645B | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Caterpillar D3C SA Special Application | Challenger MT645B | Difference |
|---|---|---|---|
| Coolant | Not recorded | 8.9gal | — |
Category context