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John DeereModel A
John Deere 7520 (1972-1975)
Four-Wheel Drive
- power
- 175 hp
- displacement
- 531 ci
- Cylinders
- 6
- Forward gears
- 16
Head to head · Four-Wheel Drive
John Deere 7520 (1972-1975) vs John Deere 9420R
John DeereModel B
John Deere 9420R
Four-Wheel Drive
- power
- Not recorded
- displacement
- 826 ci
- Cylinders
- 6
- Forward gears
- 18
John DeereJohn Deere 7520 (1972-1975)
vs
John DeereJohn Deere 9420R
How they compare
Headline specs vs. the whole Four-Wheel Drive
Engine Displacement
▲ 9420R higher · +295 ci (+56%)7520 (1972-1975)531 ci
9420R826 ci
Median Four-Wheel Drive Tractor826 ci
7520 (1972-1975) is in the 12th percentile; 9420R is in the 50th · 152 models
Cylinders
= Effectively tied7520 (1972-1975)6
9420R6
Median Four-Wheel Drive Tractor6
7520 (1972-1975) is in the 50th percentile; 9420R is in the 50th · 159 models
Forward Gears
▲ 9420R higher · +2 (+13%)7520 (1972-1975)16
9420R18
Median Four-Wheel Drive Tractor16
7520 (1972-1975) is in the 50th percentile; 9420R is in the 86th · 146 models
Operating Weight
▲ 9420R higher · +26,165 lb (+156%)7520 (1972-1975)16,800 lb
9420R42,965 lb
Median Four-Wheel Drive Tractor37,428 lb
7520 (1972-1975) is in the 5th percentile; 9420R is in the 67th · 132 models
7520 (1972-1975) (A)9420R (B)Median Four-Wheel Drive Tractor
Full comparison
Every spec, side by side
General Information
| Spec | John Deere 7520 (1972-1975) | John Deere 9420R | Difference |
|---|---|---|---|
| Manufacturer | John Deere | John Deere | Same |
| Model | 7520 (1972-1975) | 9420R | — |
| Category | Four-Wheel Drive | Four-Wheel Drive | Same |
Engine
| Spec | John Deere 7520 (1972-1975) | John Deere 9420R | Difference |
|---|---|---|---|
| Manufacturer | John Deere | John Deere | Same |
| Model | Not recorded | John Deere Diesel six-cylinder vertical with two turbochargers, air-to-air aftercooler, and D.E.F (Diesel Exhaust Fluid) exhaust treatment | — |
| Power Output | 175hp | Not recorded | — |
| Rated RPM | 2,100RPM | 2,100RPM | Same |
| Cylinders | 6 | 6 | Same |
| Displacement | 531ci | 826ci | ▲ 9420R+295 ci · +56% |
| Bore | 4.8in | 5.2in | ▲ 9420R+0.4 in · +8% |
| Stroke | 5in | 6.5in | ▲ 9420R+1.5 in · +30% |
Transmission
| Spec | John Deere 7520 (1972-1975) | John Deere 9420R | Difference |
|---|---|---|---|
| Type | Partially synchronized | Selective gear fixed ratio with full range operator controlled power shift | — |
Dimensions & Weight
| Spec | John Deere 7520 (1972-1975) | John Deere 9420R | Difference |
|---|---|---|---|
| Length | 220in | 314in | ▲ 9420R+94 in · +43% |
| Width | 95.7in | 176in | ▲ 9420R+80.3 in · +84% |
| Height | 123in | 145in | ▲ 9420R+22 in · +18% |
| Operating Weight | 16,800lb | 42,965lb | ▲ 9420R+26,165 lb · +156% |
Hydraulics
| Spec | John Deere 7520 (1972-1975) | John Deere 9420R | Difference |
|---|---|---|---|
| System Type | Closed center | Closed-center pressure/flow compensated | — |
| Steering Type | Hydrostatic power | Not recorded | — |
Power Take-off (PTO)
| Spec | John Deere 7520 (1972-1975) | John Deere 9420R | Difference |
|---|---|---|---|
| Type | Transmission | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
Hitch & Towing
| Spec | John Deere 7520 (1972-1975) | John Deere 9420R | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Category 4N, Category 4 | — |
| Hitch Category | Category 3 | IV | — |
| Hitch Position | Not recorded | Rear | — |
Chassis & Drive
| Spec | John Deere 7520 (1972-1975) | John Deere 9420R | Difference |
|---|---|---|---|
| Chassis Type | 4x4 articulated 4WD | Not recorded | — |
| Drive Type | 4WD | Not recorded | — |
| Steering Type | Hydrostatic power | Not recorded | — |
| Brake Type | Integral hydraulic wet disc | Not recorded | — |
Electrical
| Spec | John Deere 7520 (1972-1975) | John Deere 9420R | Difference |
|---|---|---|---|
| Starter Type | Electric | 12 volt electric | — |
Capacities
| Spec | John Deere 7520 (1972-1975) | John Deere 9420R | Difference |
|---|---|---|---|
| Coolant | 10gal | 16.8gal | ▲ 9420R+6.8 gal · +68% |
Operator Station
| Spec | John Deere 7520 (1972-1975) | John Deere 9420R | Difference |
|---|---|---|---|
| Type | Cab | Cab | Same |
Category context
Both models against the field
Engine Displacement
median 826 ciA · 12th percentile (531 ci)B · 50th percentile (826 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Forward Gears
median 16A · 50th percentile (16)B · 86th percentile (18)
Operating Weight
median 37,428 lbA · 5th percentile (16,800 lb)B · 67th percentile (42,965 lb)
Length
median 275 inA · 7th percentile (220 in)B · 87th percentile (314 in)
A · 7520 (1972-1975)B · 9420RMedian Four-Wheel Drive Tractor