Allis ChalmersModel A
Allis Chalmers 7020
Row Crop
- power
- 124 hp
- displacement
- 301 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Row Crop
Allis Chalmers 7020 vs John Deere 6620 Premium
John DeereModel B
John Deere 6620 Premium
Utility
- power
- 125 hp
- displacement
- 414 ci
- Cylinders
- 6
- Forward gears
- 24
Allis ChalmersAllis Chalmers 7020
vs
John DeereJohn Deere 6620 Premium
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ 6620 Premium higher · +1 hp (<1%)7020124 hp
6620 Premium125 hp
Median Row Crop Tractor138 hp
7020 is in the 41st percentile; 6620 Premium is in the 42nd · 1,206 models
Engine Displacement
▲ 6620 Premium higher · +113 ci (+38%)7020301 ci
6620 Premium414 ci
Median Row Crop Tractor391 ci
7020 is in the 32nd percentile; 6620 Premium is in the 68th · 1,409 models
Cylinders
= Effectively tied70206
6620 Premium6
Median Row Crop Tractor6
7020 is in the 50th percentile; 6620 Premium is in the 50th · 1,417 models
Forward Gears
▲ 6620 Premium higher · +18 (+300%)70206
6620 Premium24
Median Row Crop Tractor16
7020 is in the 11th percentile; 6620 Premium is in the 81st · 1,200 models
7020 (A)6620 Premium (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers 7020 | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | 7020 | 6620 Premium | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers 7020 | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | 649I | 6068T | — |
| Power Output | 124hp | 125hp | ▲ 6620 Premium+1 hp · <1% |
| Rated RPM | 2,300RPM | 2,300RPM | Same |
| Cylinders | 6 | 6 | Same |
| Displacement | 301ci | 414ci | ▲ 6620 Premium+113 ci · +38% |
| Bore | 3.9in | 4.2in | ▲ 6620 Premium+0.3 in · +8% |
| Stroke | 4.3in | 5in | ▲ 6620 Premium+0.7 in · +16% |
Transmission
| Spec | Allis Chalmers 7020 | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Type | Partial power shift | Partial power shift | Same |
Dimensions & Weight
| Spec | Allis Chalmers 7020 | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Length | 163in | Not recorded | — |
| Width | 92.6in | Not recorded | — |
| Height | 116in | Not recorded | — |
| Operating Weight | 11,770lb | 11,532lb | ▲ 7020+238 lb · +2% |
Hydraulics
| Spec | Allis Chalmers 7020 | John Deere 6620 Premium | Difference |
|---|---|---|---|
| System Type | Closed center | Closed center load sensing | — |
| Steering Type | Hydrostatic power | Hydrostatic power | Same |
Power Take-off (PTO)
| Spec | Allis Chalmers 7020 | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
| Speed 2 | 1,000rpm | Not recorded | — |
Tires
| Spec | Allis Chalmers 7020 | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Front Tire Size | 11.00-16 | Not recorded | — |
| Rear Tire Size | 20.8-38 | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers 7020 | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Rear Type II/IIIN | — |
| Hitch Category | III/II | Not recorded | — |
| Hitch Position | Rear | Rear | Same |
| Hitch Capacity | 6,680lb | 18,740lb | ▲ 6620 Premium+12,060 lb · +181% |
Chassis & Drive
| Spec | Allis Chalmers 7020 | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Hydrostatic power | Hydrostatic power | Same |
| Brake Type | Differential hydraulic wet disc | Not recorded | — |
Electrical
| Spec | Allis Chalmers 7020 | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers 7020 | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Coolant | 6.5gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers 7020 | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Type | Acousta-Cab | Not recorded | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 41st percentile (124 hp)B · 42nd percentile (125 hp)
Engine Displacement
median 391 ciA · 32nd percentile (301 ci)B · 68th percentile (414 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Forward Gears
median 16A · 11th percentile (6)B · 81st percentile (24)
Operating Weight
median 12,307 lbA · 46th percentile (11,770 lb)B · 44th percentile (11,532 lb)
A · 7020B · 6620 PremiumMedian Row Crop Tractor