McCormick-DeeringModel A
McCormick-Deering OS-4
Standard Tread
- power
- Not recorded
- displacement
- 152 ci
- Cylinders
- 4
- Forward gears
- 5
Head to head · Standard Tread
McCormick-Deering OS-4 vs Oliver Super 66
OliverModel B
Oliver Super 66
Tricycle
- power
- Not recorded
- displacement
- 144 ci
- Cylinders
- 4
- Forward gears
- 6
McCormick-DeeringMcCormick-Deering OS-4
vs
OliverOliver Super 66
How they compare
Headline specs vs. the whole Standard Tread
Engine Displacement
▲ OS-4 higher · +8 ci (+6%)OS-4152 ci
Super 66144 ci
Median Standard Tread Tractor382 ci
OS-4 is in the 6th percentile; Super 66 is in the 5th · 353 models
Cylinders
= Effectively tiedOS-44
Super 664
Median Standard Tread Tractor4
OS-4 is in the 50th percentile; Super 66 is in the 50th · 367 models
Forward Gears
▲ Super 66 higher · +1 (+20%)OS-45
Super 666
Median Standard Tread Tractor4
OS-4 is in the 64th percentile; Super 66 is in the 79th · 341 models
Operating Weight
▲ OS-4 higher · +177 lb (+4%)OS-44,120 lb
Super 663,943 lb
Median Standard Tread Tractor6,834 lb
OS-4 is in the 15th percentile; Super 66 is in the 13th · 297 models
OS-4 (A)Super 66 (B)Median Standard Tread Tractor
Full comparison
Every spec, side by side
General Information
| Spec | McCormick-Deering OS-4 | Oliver Super 66 | Difference |
|---|---|---|---|
| Manufacturer | McCormick-Deering | Oliver | — |
| Model | OS-4 | Super 66 | — |
| Category | Standard Tread | Tricycle | — |
Engine
| Spec | McCormick-Deering OS-4 | Oliver Super 66 | Difference |
|---|---|---|---|
| Manufacturer | International Harvester | Waukesha-Oliver | — |
| Rated RPM | 1,650RPM | 2,000RPM | ▲ Super 66+350 RPM · +21% |
| Cylinders | 4 | 4 | Same |
| Displacement | 152ci | 144ci | ▲ OS-4+8 ci · +6% |
| Bore | 3.4in | 3.5in | ▲ Super 66+0.1 in · +3% |
| Stroke | 4.5in | 3.8in | ▲ OS-4+0.7 in · +18% |
Transmission
| Spec | McCormick-Deering OS-4 | Oliver Super 66 | Difference |
|---|---|---|---|
| Type | Gear | Unsynchronized gear | — |
Dimensions & Weight
| Spec | McCormick-Deering OS-4 | Oliver Super 66 | Difference |
|---|---|---|---|
| Length | 121in | Not recorded | — |
| Width | 55.5in | Not recorded | — |
| Height | 57.1in | Not recorded | — |
| Operating Weight | 4,120lb | 3,943lb | ▲ OS-4+177 lb · +4% |
Hydraulics
| Spec | McCormick-Deering OS-4 | Oliver Super 66 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual | — |
Power Take-off (PTO)
| Spec | McCormick-Deering OS-4 | Oliver Super 66 | Difference |
|---|---|---|---|
| Type | Not recorded | Rear | — |
| Speed 1 | Not recorded | 540rpm | — |
Tires
| Spec | McCormick-Deering OS-4 | Oliver Super 66 | Difference |
|---|---|---|---|
| Front Tire Size | Not recorded | 5.00-15 | — |
| Rear Tire Size | Not recorded | 10-38, 9-38 | — |
Tread Width
| Spec | McCormick-Deering OS-4 | Oliver Super 66 | Difference |
|---|---|---|---|
| Front Tread Width | 5.5in | Not recorded | — |
Hitch & Towing
| Spec | McCormick-Deering OS-4 | Oliver Super 66 | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Optional | — |
| Hitch Category | Category 3 | Not recorded | — |
Chassis & Drive
| Spec | McCormick-Deering OS-4 | Oliver Super 66 | Difference |
|---|---|---|---|
| Chassis Type | Not recorded | Tricycle | — |
| Steering Type | Not recorded | Manual | — |
Electrical
| Spec | McCormick-Deering OS-4 | Oliver Super 66 | Difference |
|---|---|---|---|
| Battery Voltage | Not recorded | 6V | — |
| Starter Type | Not recorded | Electric | — |
Capacities
| Spec | McCormick-Deering OS-4 | Oliver Super 66 | Difference |
|---|---|---|---|
| Coolant | 4.3gal | Not recorded | — |
Category context
Both models against the field
Engine Displacement
median 382 ciA · 6th percentile (152 ci)B · 5th percentile (144 ci)
Cylinders
median 4A · 50th percentile (4)B · 50th percentile (4)
Forward Gears
median 4A · 64th percentile (5)B · 79th percentile (6)
Operating Weight
median 6,834 lbA · 15th percentile (4,120 lb)B · 13th percentile (3,943 lb)
A · OS-4B · Super 66Median Standard Tread Tractor