This page provides a detailed comparison of the specifications for the Hart-Parr Old Reliable 30-60 and the New Holland 7740.
| Hart-Parr Old Reliable 30-60 | New Holland 7740 | |
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| Engine | ||
| Engine Manufacturer | Hart-Parr | Ford |
| Engine Model | - | Genesis |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Kerosene | Diesel |
| Engine Induction Type | Natural | Turbocharged |
| Engine Cylinders | 2 | 4 |
| Engine Displacement Value | 2356 ci (38.6 L) | 304 ci (5.0 L) |
| Engine Rated Rpm | 300 | 2100 |
| Engine Power Output Value | - | 100 hp (74.8 kW) |
| Transmission | ||
| Transmission Type | Gear | Constant mesh |
| Transmission Forward Gears | 1 | 8 |
| Transmission Reverse Gears | 1 | 2 |
| Dimensions | ||
| Length Value | 200 | 162 |
| Width Value | 106 | 77 |
| Operating Weight Value | 20100 lb (9117 kg) | 8680 lb (3937 kg) |
| Miscellaneous | ||
| Chassis | 4x2 | 4x2 2WD |
| Drive Type | 2WD | 2WD |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Category | - | II |
| Hydraulic System Type | - | Open center |
| Operator Station Type | - | Two-post foldable ROPS |
| Starter Type | - | Electric |
