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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 New Holland TS115A
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New HollandModel B
New Holland TS115A
Utility
- power
- 105 hp
- displacement
- 410 ci
- Cylinders
- 6
- Forward gears
- 24
Allis ChalmersAllis Chalmers D21 Series I
vs
New HollandNew Holland TS115A
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ TS115A higher · +2 hp (+2%)D21 Series I103 hp
TS115A105 hp
Median Row Crop Tractor138 hp
D21 Series I is in the 27th percentile; TS115A is in the 28th · 1,206 models
Engine Displacement
▲ D21 Series I higher · +16 ci (+4%)D21 Series I426 ci
TS115A410 ci
Median Row Crop Tractor391 ci
D21 Series I is in the 72nd percentile; TS115A is in the 58th · 1,409 models
Cylinders
= Effectively tiedD21 Series I6
TS115A6
Median Row Crop Tractor6
D21 Series I is in the 50th percentile; TS115A is in the 50th · 1,417 models
Forward Gears
▲ TS115A higher · +16 (+200%)D21 Series I8
TS115A24
Median Row Crop Tractor16
D21 Series I is in the 16th percentile; TS115A is in the 81st · 1,200 models
D21 Series I (A)TS115A (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D21 Series I | New Holland TS115A | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | New Holland | — |
| Model | D21 Series I | TS115A | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers D21 Series I | New Holland TS115A | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | CNH Diesel | — |
| Model | 3400 | NEF F4D | — |
| Power Output | 103hp | 105hp | ▲ TS115A+2 hp · +2% |
| Rated RPM | 2,200RPM | 2,200RPM | Same |
| Cylinders | 6 | 6 | Same |
| Displacement | 426ci | 410ci | ▲ D21 Series I+16 ci · +4% |
| Bore | 4.3in | 4.1in | ▲ D21 Series I+0.2 in · +5% |
| Stroke | 5in | 5.2in | ▲ TS115A+0.2 in · +4% |
Transmission
| Spec | Allis Chalmers D21 Series I | New Holland TS115A | Difference |
|---|---|---|---|
| Type | Sliding gear with dry disc clutch | Selective gear fixed ratio with partial (2) range operator-controlled powershift | — |
Dimensions & Weight
| Spec | Allis Chalmers D21 Series I | New Holland TS115A | Difference |
|---|---|---|---|
| Length | 161in | 178in | ▲ TS115A+17 in · +11% |
| Width | 91.6in | 79.2in | ▲ D21 Series I+12.4 in · +16% |
| Height | 107in | 115in | ▲ TS115A+8 in · +7% |
| Operating Weight | 9,500lb | 11,840lb | ▲ TS115A+2,340 lb · +25% |
Hydraulics
| Spec | Allis Chalmers D21 Series I | New Holland TS115A | Difference |
|---|---|---|---|
| System Type | Not recorded | Fixed and variable displacement pumps | — |
| Pump Flow Capacity | Not recorded | 26.2gpm | — |
| Pressure | Not recorded | 2,610psi | — |
| Steering Type | Power | Power | Same |
Power Take-off (PTO)
| Spec | Allis Chalmers D21 Series I | New Holland TS115A | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | 540rpm | ▲ D21 Series I+460 rpm · +85% |
| Speed 2 | Not recorded | 1,000rpm | — |
Tires
| Spec | Allis Chalmers D21 Series I | New Holland TS115A | Difference |
|---|---|---|---|
| Front Tire Size | Not recorded | 480/65R28 | — |
| Rear Tire Size | Not recorded | 600/65R38 | — |
Hitch & Towing
| Spec | Allis Chalmers D21 Series I | New Holland TS115A | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Rear Type II | — |
| Hitch Category | III/II | Category II | — |
| Hitch Position | Rear | Rear | Same |
| Hitch Capacity | Not recorded | 9,285lb | — |
Chassis & Drive
| Spec | Allis Chalmers D21 Series I | New Holland TS115A | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Front wheel assist | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Power | Power | Same |
| Brake Type | Band actuated disc | Not recorded | — |
Electrical
| Spec | Allis Chalmers D21 Series I | New Holland TS115A | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers D21 Series I | New Holland TS115A | Difference |
|---|---|---|---|
| Coolant | 5.3gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers D21 Series I | New Holland TS115A | 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 · 58th percentile (410 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Forward Gears
median 16A · 16th percentile (8)B · 81st percentile (24)
Operating Weight
median 12,307 lbA · 28th percentile (9,500 lb)B · 47th percentile (11,840 lb)
A · D21 Series IB · TS115AMedian Row Crop Tractor