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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

Crawler
How they compare
Old Reliable 30-60 is in the 99th percentile; 9530T is in the 97th · 5,580 models
Old Reliable 30-60 is in the 3rd percentile; 9530T is in the 93rd · 5,720 models
Old Reliable 30-60 is in the 1st percentile; 9530T is in the 83rd · 4,941 models
Old Reliable 30-60 is in the 95th percentile; 9530T is in the 99th · 5,107 models
Full comparison
| Spec | Hart-Parr Old Reliable 30-60 | John Deere 9530T | Difference |
|---|---|---|---|
| Manufacturer | Hart-Parr | John Deere | — |
| Model | Old Reliable 30-60 | 9530T | — |
| Category | Utility, Standard Tread | Crawler, Agricultural | — |
| Spec | Hart-Parr Old Reliable 30-60 | John Deere 9530T | Difference |
|---|---|---|---|
| Manufacturer | Hart-Parr | John Deere | — |
| Model | Not recorded | PowerTech Plus | — |
| Power Output | Not recorded | 475hp | — |
| Rated RPM | 300RPM | 2,100RPM | ▲ 9530T+1,800 RPM · +600% |
| Cylinders | 2 | 6 | ▲ 9530T+4 · +200% |
| Displacement | 2,356ci | 826ci | ▲ Old Reliable 30-60+1,530 ci · +185% |
| Bore | 10in | 5.2in | ▲ Old Reliable 30-60+4.8 in · +92% |
| Stroke | 15in | 6.5in | ▲ Old Reliable 30-60+8.5 in · +131% |
| Spec | Hart-Parr Old Reliable 30-60 | John Deere 9530T | Difference |
|---|---|---|---|
| Type | Gear | Full power shift | — |
| Spec | Hart-Parr Old Reliable 30-60 | John Deere 9530T | Difference |
|---|---|---|---|
| Length | 200in | 237in | ▲ 9530T+37 in · +19% |
| Width | 106in | 136in | ▲ 9530T+30 in · +28% |
| Height | 148in | 155in | ▲ 9530T+7 in · +5% |
| Operating Weight | 20,100lb | 43,990lb | ▲ 9530T+23,890 lb · +119% |
| Spec | Hart-Parr Old Reliable 30-60 | John Deere 9530T | Difference |
|---|---|---|---|
| System Type | Not recorded | Closed-center pressure flow compensated (PFC) | — |
| Steering Type | Manual | Electro-hydraulic power | — |
| Spec | Hart-Parr Old Reliable 30-60 | John Deere 9530T | Difference |
|---|---|---|---|
| Type | Not recorded | Optional Transmission or Live PTO | — |
| Spec | Hart-Parr Old Reliable 30-60 | John Deere 9530T | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | 4/4N (optional) | — |
| Hitch Category | Not recorded | Category 3 | — |
| Spec | Hart-Parr Old Reliable 30-60 | John Deere 9530T | Difference |
|---|---|---|---|
| Chassis Type | 4x2 | Crawler | — |
| Drive Type | 2WD | Track | — |
| Steering Type | Manual | Electro-hydraulic power | — |
| Brake Type | Not recorded | Hydraulic wet discs | — |
| Spec | Hart-Parr Old Reliable 30-60 | John Deere 9530T | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric Starter | — |
| Spec | Hart-Parr Old Reliable 30-60 | John Deere 9530T | Difference |
|---|---|---|---|
| Coolant | 24gal | 14gal | ▲ Old Reliable 30-60+10 gal · +71% |
| Spec | Hart-Parr Old Reliable 30-60 | John Deere 9530T | Difference |
|---|---|---|---|
| Type | Not recorded | Cab | — |
Category context