Image not recorded
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 Wagner TR-6
Allis ChalmersAllis Chalmers D21 Series I
vs
WagnerWagner TR-6
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ TR-6 higher · +2 hp (+2%)D21 Series I103 hp
TR-6105 hp
Median Row Crop Tractor138 hp
D21 Series I is in the 27th percentile; TR-6 is in the 28th · 1,206 models
Engine Displacement
▲ D21 Series I higher · +25 ci (+6%)D21 Series I426 ci
TR-6401 ci
Median Row Crop Tractor391 ci
D21 Series I is in the 72nd percentile; TR-6 is in the 51st · 1,409 models
Cylinders
= Effectively tiedD21 Series I6
TR-66
Median Row Crop Tractor6
D21 Series I is in the 50th percentile; TR-6 is in the 50th · 1,417 models
Forward Gears
= Effectively tiedD21 Series I8
TR-68
Median Row Crop Tractor16
D21 Series I is in the 16th percentile; TR-6 is in the 16th · 1,200 models
D21 Series I (A)TR-6 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D21 Series I | Wagner TR-6 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Wagner | — |
| Model | D21 Series I | TR-6 | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers D21 Series I | Wagner TR-6 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Cummins | — |
| Model | 3400 | JF-6 | — |
| Power Output | 103hp | 105hp | ▲ TR-6+2 hp · +2% |
| Rated RPM | 2,200RPM | 2,200RPM | Same |
| Cylinders | 6 | 6 | Same |
| Displacement | 426ci | 401ci | ▲ D21 Series I+25 ci · +6% |
| Bore | 4.3in | 4.1in | ▲ D21 Series I+0.2 in · +5% |
| Stroke | 5in | 5in | Same |
Transmission
| Spec | Allis Chalmers D21 Series I | Wagner TR-6 | Difference |
|---|---|---|---|
| Type | Sliding gear with dry disc clutch | Manual | — |
Dimensions & Weight
| Spec | Allis Chalmers D21 Series I | Wagner TR-6 | Difference |
|---|---|---|---|
| Length | 161in | 190in | ▲ TR-6+29 in · +18% |
| Width | 91.6in | 81in | ▲ D21 Series I+10.6 in · +13% |
| Height | 107in | 80in | ▲ D21 Series I+27 in · +34% |
| Operating Weight | 9,500lb | 12,700lb | ▲ TR-6+3,200 lb · +34% |
Hydraulics
| Spec | Allis Chalmers D21 Series I | Wagner TR-6 | Difference |
|---|---|---|---|
| Steering Type | Power | Hydraulic power | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D21 Series I | Wagner TR-6 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers D21 Series I | Wagner TR-6 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Not recorded | — |
| Hitch Category | III/II | Not recorded | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers D21 Series I | Wagner TR-6 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 articulated 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Power | Hydraulic power | — |
| Brake Type | Band actuated disc | Not recorded | — |
Electrical
| Spec | Allis Chalmers D21 Series I | Wagner TR-6 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers D21 Series I | Wagner TR-6 | Difference |
|---|---|---|---|
| Coolant | 5.3gal | 7.5gal | ▲ TR-6+2.2 gal · +42% |
Operator Station
| Spec | Allis Chalmers D21 Series I | Wagner TR-6 | 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 · 51st percentile (401 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Forward Gears
median 16A · 16th percentile (8)B · 16th percentile (8)
Operating Weight
median 12,307 lbA · 28th percentile (9,500 lb)B · 53rd percentile (12,700 lb)
A · D21 Series IB · TR-6Median Row Crop Tractor