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Hart-ParrModel A
Hart-Parr Old Reliable 30-60
Utility
- power
- Not recorded
- displacement
- 2,356 ci
- Cylinders
- 2
- Forward gears
- 1
Head to head · Utility
Utility

Utility
How they compare
Old Reliable 30-60 is in the 99th percentile; Cougar IV CM-280 is in the 98th · 5,580 models
Old Reliable 30-60 is in the 3rd percentile; Cougar IV CM-280 is in the 93rd · 5,720 models
Old Reliable 30-60 is in the 1st percentile; Cougar IV CM-280 is in the 86th · 4,941 models
Old Reliable 30-60 is in the 95th percentile; Cougar IV CM-280 is in the 96th · 5,107 models
Full comparison
| Spec | Hart-Parr Old Reliable 30-60 | Steiger Cougar IV CM-280 | Difference |
|---|---|---|---|
| Manufacturer | Hart-Parr | Steiger | — |
| Model | Old Reliable 30-60 | Cougar IV CM-280 | — |
| Category | Utility, Standard Tread | Utility | — |
| Spec | Hart-Parr Old Reliable 30-60 | Steiger Cougar IV CM-280 | Difference |
|---|---|---|---|
| Manufacturer | Hart-Parr | Caterpillar | — |
| Model | Not recorded | 3406 | — |
| Power Output | Not recorded | 280hp | — |
| Rated RPM | 300RPM | 2,100RPM | ▲ Cougar IV CM-280+1,800 RPM · +600% |
| Cylinders | 2 | 6 | ▲ Cougar IV CM-280+4 · +200% |
| Displacement | 2,356ci | 893ci | ▲ Old Reliable 30-60+1,463 ci · +164% |
| Bore | 10in | 5.4in | ▲ Old Reliable 30-60+4.6 in · +85% |
| Stroke | 15in | 6.5in | ▲ Old Reliable 30-60+8.5 in · +131% |
| Spec | Hart-Parr Old Reliable 30-60 | Steiger Cougar IV CM-280 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
| Spec | Hart-Parr Old Reliable 30-60 | Steiger Cougar IV CM-280 | Difference |
|---|---|---|---|
| Length | 200in | 254in | ▲ Cougar IV CM-280+54 in · +27% |
| Width | 106in | 96in | ▲ Old Reliable 30-60+10 in · +10% |
| Height | 148in | 156in | ▲ Cougar IV CM-280+8 in · +5% |
| Operating Weight | 20,100lb | 25,011lb | ▲ Cougar IV CM-280+4,911 lb · +24% |
| Spec | Hart-Parr Old Reliable 30-60 | Steiger Cougar IV CM-280 | Difference |
|---|---|---|---|
| System Type | Not recorded | Open center | — |
| Steering Type | Manual | Articulated power | — |
| Spec | Hart-Parr Old Reliable 30-60 | Steiger Cougar IV CM-280 | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Three-Point Hitch | — |
| Hitch Category | Not recorded | III | — |
| Hitch Position | Not recorded | Rear | — |
| Spec | Hart-Parr Old Reliable 30-60 | Steiger Cougar IV CM-280 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 | 4x4 articulated 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Manual | Articulated power | — |
| Spec | Hart-Parr Old Reliable 30-60 | Steiger Cougar IV CM-280 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric | — |
| Spec | Hart-Parr Old Reliable 30-60 | Steiger Cougar IV CM-280 | Difference |
|---|---|---|---|
| Coolant | 24gal | 17.5gal | ▲ Old Reliable 30-60+6.5 gal · +37% |
| Spec | Hart-Parr Old Reliable 30-60 | Steiger Cougar IV CM-280 | Difference |
|---|---|---|---|
| Type | Not recorded | Cab | — |
Category context