
John DeereModel A
John Deere 7700
Row Crop
- power
- 150 hp
- displacement
- 466 ci
- Cylinders
- 6
- Forward gears
- 16
Head to head · Row Crop

Row Crop
Crawler
How they compare
7700 is in the 57th percentile; 8520T is in the 88th · 1,206 models
7700 is in the 82nd percentile; 8520T is in the 85th · 1,409 models
7700 is in the 50th percentile; 8520T is in the 50th · 1,417 models
7700 is in the 50th percentile; 8520T is in the 50th · 1,200 models
Full comparison
| Spec | John Deere 7700 | John Deere 8520T | Difference |
|---|---|---|---|
| Manufacturer | John Deere | John Deere | Same |
| Model | 7700 | 8520T | — |
| Category | Row Crop | Crawler, Agricultural | — |
| Spec | John Deere 7700 | John Deere 8520T | Difference |
|---|---|---|---|
| Manufacturer | John Deere | John Deere | Same |
| Model | John Deere | Not recorded | — |
| Power Output | 150hp | 256hp | ▲ 8520T+106 hp · +71% |
| Rated RPM | 2,100RPM | 2,179RPM | ▲ 8520T+79 RPM · +4% |
| Cylinders | 6 | 6 | Same |
| Displacement | 466ci | 496ci | ▲ 8520T+30 ci · +6% |
| Bore | 4.6in | 4.6in | Same |
| Stroke | 4.8in | 5.1in | ▲ 8520T+0.3 in · +6% |
| Spec | John Deere 7700 | John Deere 8520T | Difference |
|---|---|---|---|
| Type | Partial Power Shift | Full power shift | — |
| Spec | John Deere 7700 | John Deere 8520T | Difference |
|---|---|---|---|
| Length | 187in | 207in | ▲ 8520T+20 in · +11% |
| Width | Not recorded | 120in | — |
| Height | 118in | 123in | ▲ 8520T+5 in · +4% |
| Operating Weight | 13,870lb | 27,280lb | ▲ 8520T+13,410 lb · +97% |
| Spec | John Deere 7700 | John Deere 8520T | Difference |
|---|---|---|---|
| System Type | Open center | Closed center pressure-flow compensated (PFC) | — |
| Steering Type | Power | Electro-hydraulic power | — |
| Spec | John Deere 7700 | John Deere 8520T | Difference |
|---|---|---|---|
| Type | Independent | Independent with hydraulic wet disc clutch | — |
| Speed 1 | 540rpm | 1,000rpm | ▲ 8520T+460 rpm · +85% |
| Speed 2 | 1,000rpm | Not recorded | — |
| Spec | John Deere 7700 | John Deere 8520T | Difference |
|---|---|---|---|
| Hitch Type | Three-point hitch | Not recorded | — |
| Hitch Category | IIIN/II | III/IIIN | — |
| Hitch Position | Not recorded | Rear | — |
| Hitch Capacity | 8,930lb | 16,520lb | ▲ 8520T+7,590 lb · +85% |
| Spec | John Deere 7700 | John Deere 8520T | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Crawler | — |
| Drive Type | 2WD | Track | — |
| Steering Type | Power | Electro-hydraulic power | — |
| Brake Type | Differential hydraulic wet disc | Hydraulic wet disc | — |
| Spec | John Deere 7700 | John Deere 8520T | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | John Deere 7700 | John Deere 8520T | Difference |
|---|---|---|---|
| Coolant | 6.6gal | 9gal | ▲ 8520T+2.4 gal · +36% |
| Spec | John Deere 7700 | John Deere 8520T | Difference |
|---|---|---|---|
| Type | ComfortGard cab (standard) with air-conditioning | Cab | — |
Category context