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CaterpillarModel A
Caterpillar D8
Tractor
- power
- 115 hp
- displacement
- 1,246 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Standard Tread
Caterpillar D8 vs Oliver OC-18
OliverModel B
Oliver OC-18
Standard Tread
- power
- 52.8 hp
- displacement
- 895 ci
- Cylinders
- 6
- Forward gears
- 4
CaterpillarCaterpillar D8
vs
OliverOliver OC-18
How they compare
Headline specs vs. the whole Standard Tread
Engine Power
▲ D8 higher · +62.2 hp (+118%)D8115 hp
OC-1852.8 hp
Median Standard Tread Tractor45 hp
D8 is in the 95th percentile; OC-18 is in the 60th · 121 models
Engine Displacement
▲ D8 higher · +351 ci (+39%)D81,246 ci
OC-18895 ci
Median Standard Tread Tractor382 ci
D8 is in the 94th percentile; OC-18 is in the 89th · 353 models
Cylinders
= Effectively tiedD86
OC-186
Median Standard Tread Tractor4
D8 is in the 93rd percentile; OC-18 is in the 93rd · 367 models
Forward Gears
▲ D8 higher · +2 (+50%)D86
OC-184
Median Standard Tread Tractor4
D8 is in the 79th percentile; OC-18 is in the 50th · 341 models
D8 (A)OC-18 (B)Median Standard Tread Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Caterpillar D8 | Oliver OC-18 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Oliver | — |
| Model | D8 | OC-18 | — |
| Category | Not recorded | Standard Tread | — |
Engine
| Spec | Caterpillar D8 | Oliver OC-18 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Hercules | — |
| Model | D13000 | DFXE | — |
| Power Output | 115hp | 52.8hp | ▲ D8+62.2 hp · +118% |
| Rated RPM | 850RPM | 1,500RPM | ▲ OC-18+650 RPM · +76% |
| Cylinders | 6 | 6 | Same |
| Displacement | 1,246ci | 895ci | ▲ D8+351 ci · +39% |
| Bore | 5.8in | 5.6in | ▲ D8+0.2 in · +4% |
| Stroke | 8in | 6in | ▲ D8+2 in · +33% |
Transmission
| Spec | Caterpillar D8 | Oliver OC-18 | Difference |
|---|---|---|---|
| Type | gear | Gear | Same |
Dimensions & Weight
| Spec | Caterpillar D8 | Oliver OC-18 | Difference |
|---|---|---|---|
| Length | 186in | 168in | ▲ D8+18 in · +11% |
| Width | 101in | 112in | ▲ OC-18+11 in · +11% |
| Height | 84in | 83in | ▲ D8+1 in · +1% |
| Operating Weight | 36,520lb | 32,500lb | ▲ D8+4,020 lb · +12% |
Hitch & Towing
| Spec | Caterpillar D8 | Oliver OC-18 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | Category 3 | — |
Electrical
| Spec | Caterpillar D8 | Oliver OC-18 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric | — |
Capacities
| Spec | Caterpillar D8 | Oliver OC-18 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 15.5gal | — |
Category context
Both models against the field
Engine Power
median 45 hpA · 95th percentile (115 hp)B · 60th percentile (52.8 hp)
Engine Displacement
median 382 ciA · 94th percentile (1,246 ci)B · 89th percentile (895 ci)
Cylinders
median 4A · 93rd percentile (6)B · 93rd percentile (6)
Forward Gears
median 4A · 79th percentile (6)B · 50th percentile (4)
Operating Weight
median 6,834 lbA · 99th percentile (36,520 lb)B · 99th percentile (32,500 lb)
A · D8B · OC-18Median Standard Tread Tractor