Head to head · Standard Tread
Oliver 990 vs Oliver OC-18
OliverModel B
Oliver OC-18
Standard Tread
- power
- 52.8 hp
- displacement
- 895 ci
- Cylinders
- 6
- Forward gears
- 4
OliverOliver 990
vs
OliverOliver OC-18
How they compare
Headline specs vs. the whole Standard Tread
Engine Power
▲ 990 higher · +8.6 hp (+16%)99061.4 hp
OC-1852.8 hp
Median Standard Tread Tractor45 hp
990 is in the 74th percentile; OC-18 is in the 60th · 121 models
Engine Displacement
▲ OC-18 higher · +682 ci (+320%)990213 ci
OC-18895 ci
Median Standard Tread Tractor382 ci
990 is in the 15th percentile; OC-18 is in the 89th · 353 models
Cylinders
▲ OC-18 higher · +3 (+100%)9903
OC-186
Median Standard Tread Tractor4
990 is in the 34th percentile; OC-18 is in the 93rd · 367 models
Forward Gears
▲ 990 higher · +2 (+50%)9906
OC-184
Median Standard Tread Tractor4
990 is in the 79th percentile; OC-18 is in the 50th · 341 models
990 (A)OC-18 (B)Median Standard Tread Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Oliver 990 | Oliver OC-18 | Difference |
|---|---|---|---|
| Manufacturer | Oliver | Oliver | Same |
| Model | 990 | OC-18 | — |
| Category | Utility, Standard Tread | Standard Tread | — |
Engine
| Spec | Oliver 990 | Oliver OC-18 | Difference |
|---|---|---|---|
| Manufacturer | General Motors | Hercules | — |
| Model | Mar-71 | DFXE | — |
| Power Output | 61.4hp | 52.8hp | ▲ 990+8.6 hp · +16% |
| Rated RPM | 1,800RPM | 1,500RPM | ▲ 990+300 RPM · +20% |
| Cylinders | 3 | 6 | ▲ OC-18+3 · +100% |
| Displacement | 213ci | 895ci | ▲ OC-18+682 ci · +320% |
| Bore | 4.3in | 5.6in | ▲ OC-18+1.3 in · +30% |
| Stroke | 5in | 6in | ▲ OC-18+1 in · +20% |
Transmission
| Spec | Oliver 990 | Oliver OC-18 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
Dimensions & Weight
| Spec | Oliver 990 | Oliver OC-18 | Difference |
|---|---|---|---|
| Length | Not recorded | 168in | — |
| Width | Not recorded | 112in | — |
| Height | Not recorded | 83in | — |
| Operating Weight | 11,000lb | 32,500lb | ▲ OC-18+21,500 lb · +195% |
Hydraulics
| Spec | Oliver 990 | Oliver OC-18 | Difference |
|---|---|---|---|
| Steering Type | Power | Not recorded | — |
Power Take-off (PTO)
| Spec | Oliver 990 | Oliver OC-18 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
Hitch & Towing
| Spec | Oliver 990 | Oliver OC-18 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | Category 3 | — |
Chassis & Drive
| Spec | Oliver 990 | Oliver OC-18 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Power | Not recorded | — |
| Brake Type | Disc | Not recorded | — |
Electrical
| Spec | Oliver 990 | Oliver OC-18 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Oliver 990 | Oliver OC-18 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 15.5gal | — |
Operator Station
| Spec | Oliver 990 | Oliver OC-18 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 45 hpA · 74th percentile (61.4 hp)B · 60th percentile (52.8 hp)
Engine Displacement
median 382 ciA · 15th percentile (213 ci)B · 89th percentile (895 ci)
Cylinders
median 4A · 34th percentile (3)B · 93rd percentile (6)
Forward Gears
median 4A · 79th percentile (6)B · 50th percentile (4)
Operating Weight
median 6,834 lbA · 82nd percentile (11,000 lb)B · 99th percentile (32,500 lb)
A · 990B · OC-18Median Standard Tread Tractor