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David BrownModel A
David Brown 30TD
Agricultural
- power
- 36 hp
- displacement
- 165 ci
- Cylinders
- 4
- Forward gears
- 6
Head to head · Agricultural
Agricultural

Agricultural
How they compare
30TD is in the 5th percentile; 820 is in the 3rd · 1,028 models
30TD is in the 9th percentile; 820 is in the 5th · 1,083 models
30TD is in the 31st percentile; 820 is in the 8th · 1,130 models
30TD is in the 11th percentile; 820 is in the 16th · 972 models
Full comparison
| Spec | David Brown 30TD | John Deere 820 | Difference |
|---|---|---|---|
| Manufacturer | David Brown | John Deere | — |
| Model | 30TD | 820 | — |
| Category | Agricultural | Agricultural | Same |
| Spec | David Brown 30TD | John Deere 820 | Difference |
|---|---|---|---|
| Manufacturer | David Brown | John Deere | — |
| Power Output | 36hp | 32hp | ▲ 30TD+4 hp · +13% |
| Rated RPM | 1,800RPM | 2,100RPM | ▲ 820+300 RPM · +17% |
| Cylinders | 4 | 3 | ▲ 30TD+1 · +33% |
| Displacement | 165ci | 152ci | ▲ 30TD+13 ci · +9% |
| Bore | 3.6in | 3.9in | ▲ 820+0.3 in · +8% |
| Stroke | 4in | 4.3in | ▲ 820+0.3 in · +7% |
| Spec | David Brown 30TD | John Deere 820 | Difference |
|---|---|---|---|
| Type | Gear type with dry disc clutch | Not recorded | — |
| Spec | David Brown 30TD | John Deere 820 | Difference |
|---|---|---|---|
| Length | 113in | 143in | ▲ 820+30 in · +27% |
| Width | 63in | 79.5in | ▲ 820+16.5 in · +26% |
| Height | 56in | 81in | ▲ 820+25 in · +45% |
| Operating Weight | 8,091lb | 8,600lb | ▲ 820+509 lb · +6% |
| Spec | David Brown 30TD | John Deere 820 | Difference |
|---|---|---|---|
| System Type | Not recorded | Open Center | — |
| Steering Type | Not recorded | Manual | — |
| Spec | David Brown 30TD | John Deere 820 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | Not recorded | — |
| Drive Type | Crawler Drive | Not recorded | — |
| Steering Type | Not recorded | Manual | — |
| Spec | David Brown 30TD | John Deere 820 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | David Brown 30TD | John Deere 820 | Difference |
|---|---|---|---|
| Coolant | 4.2gal | 2gal | ▲ 30TD+2.2 gal · +110% |
| Spec | David Brown 30TD | John Deere 820 | Difference |
|---|---|---|---|
| Type | Open operator station | Open | — |
Category context