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Allis ChalmersModel A
Allis Chalmers D21 Series I
Row Crop
- power
- 103 hp
- displacement
- 426 ci
- Cylinders
- 6
- Forward gears
- 8
Head to head · Row Crop
Allis Chalmers D21 Series I vs Massey Ferguson 3710F
Massey FergusonModel B
Massey Ferguson 3710F
Utility
- power
- 105 hp
- displacement
- 208 ci
- Cylinders
- 4
- Forward gears
- 24
Allis ChalmersAllis Chalmers D21 Series I
vs
Massey FergusonMassey Ferguson 3710F
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ 3710F higher · +2 hp (+2%)D21 Series I103 hp
3710F105 hp
Median Row Crop Tractor138 hp
D21 Series I is in the 27th percentile; 3710F is in the 28th · 1,206 models
Engine Displacement
▲ D21 Series I higher · +218 ci (+105%)D21 Series I426 ci
3710F208 ci
Median Row Crop Tractor391 ci
D21 Series I is in the 72nd percentile; 3710F is in the 10th · 1,409 models
Cylinders
▲ D21 Series I higher · +2 (+50%)D21 Series I6
3710F4
Median Row Crop Tractor6
D21 Series I is in the 50th percentile; 3710F is in the 17th · 1,417 models
Forward Gears
▲ 3710F higher · +16 (+200%)D21 Series I8
3710F24
Median Row Crop Tractor16
D21 Series I is in the 16th percentile; 3710F is in the 81st · 1,200 models
D21 Series I (A)3710F (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D21 Series I | Massey Ferguson 3710F | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Massey Ferguson | — |
| Model | D21 Series I | 3710F | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers D21 Series I | Massey Ferguson 3710F | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Massey Ferguson | — |
| Model | 3400 | Not recorded | — |
| Power Output | 103hp | 105hp | ▲ 3710F+2 hp · +2% |
| Rated RPM | 2,200RPM | Not recorded | — |
| Cylinders | 6 | 4 | ▲ D21 Series I+2 · +50% |
| Displacement | 426ci | 208ci | ▲ D21 Series I+218 ci · +105% |
| Bore | 4.3in | Not recorded | — |
| Stroke | 5in | Not recorded | — |
Transmission
| Spec | Allis Chalmers D21 Series I | Massey Ferguson 3710F | Difference |
|---|---|---|---|
| Type | Sliding gear with dry disc clutch | Power Shuttle | — |
Dimensions & Weight
| Spec | Allis Chalmers D21 Series I | Massey Ferguson 3710F | Difference |
|---|---|---|---|
| Length | 161in | 157in | ▲ D21 Series I+4 in · +3% |
| Width | 91.6in | 57.1in | ▲ D21 Series I+34.5 in · +60% |
| Height | 107in | Not recorded | — |
| Operating Weight | 9,500lb | Not recorded | — |
Hydraulics
| Spec | Allis Chalmers D21 Series I | Massey Ferguson 3710F | Difference |
|---|---|---|---|
| Steering Type | Power | Power | Same |
Power Take-off (PTO)
| Spec | Allis Chalmers D21 Series I | Massey Ferguson 3710F | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers D21 Series I | Massey Ferguson 3710F | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Three-Point Hitch | Same |
| Hitch Category | III/II | Category 3 | — |
| Hitch Position | Rear | Rear | Same |
Chassis & Drive
| Spec | Allis Chalmers D21 Series I | Massey Ferguson 3710F | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Power | Power | Same |
| Brake Type | Band actuated disc | Not recorded | — |
Electrical
| Spec | Allis Chalmers D21 Series I | Massey Ferguson 3710F | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers D21 Series I | Massey Ferguson 3710F | Difference |
|---|---|---|---|
| Coolant | 5.3gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers D21 Series I | Massey Ferguson 3710F | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 27th percentile (103 hp)B · 28th percentile (105 hp)
Engine Displacement
median 391 ciA · 72nd percentile (426 ci)B · 10th percentile (208 ci)
Cylinders
median 6A · 50th percentile (6)B · 17th percentile (4)
Forward Gears
median 16A · 16th percentile (8)B · 81st percentile (24)
Length
median 180 inA · 25th percentile (161 in)B · 22nd percentile (157 in)
A · D21 Series IB · 3710FMedian Row Crop Tractor