
International HarvesterModel A
International Harvester 1066
Row Crop
- power
- 108 hp
- displacement
- 414 ci
- Cylinders
- 6
- Forward gears
- 8
Head to head · Row Crop

Row Crop
Row Crop
How they compare
1066 is in the 30th percentile; 3688 is in the 34th · 1,206 models
1066 is in the 66th percentile; 3688 is in the 75th · 1,409 models
1066 is in the 50th percentile; 3688 is in the 50th · 1,417 models
1066 is in the 16th percentile; 3688 is in the 50th · 1,200 models
Full comparison
| Spec | International Harvester 1066 | International Harvester 3688 | Difference |
|---|---|---|---|
| Manufacturer | International Harvester | International Harvester | Same |
| Model | 1066 | 3688 | — |
| Category | Row Crop | Row Crop | Same |
| Spec | International Harvester 1066 | International Harvester 3688 | Difference |
|---|---|---|---|
| Manufacturer | International Harvester | International Harvester | Same |
| Model | DT414 | D436 | — |
| Power Output | 108hp | 113hp | ▲ 3688+5 hp · +5% |
| Rated RPM | 2,400RPM | 2,400RPM | Same |
| Cylinders | 6 | 6 | Same |
| Displacement | 414ci | 436ci | ▲ 3688+22 ci · +5% |
| Bore | 4.3in | 4.3in | Same |
| Stroke | 4.8in | 5in | ▲ 3688+0.2 in · +4% |
| Spec | International Harvester 1066 | International Harvester 3688 | Difference |
|---|---|---|---|
| Type | Gear type with dry disc clutch | Partial power shift | — |
| Spec | International Harvester 1066 | International Harvester 3688 | Difference |
|---|---|---|---|
| Length | 165in | 184in | ▲ 3688+19 in · +12% |
| Width | 97.6in | 102in | ▲ 3688+4.4 in · +5% |
| Height | Not recorded | 112in | — |
| Operating Weight | 12,148lb | 13,200lb | ▲ 3688+1,052 lb · +9% |
| Spec | International Harvester 1066 | International Harvester 3688 | Difference |
|---|---|---|---|
| System Type | Open center | Open center | Same |
| Steering Type | Hydrostatic power | Power | — |
| Spec | International Harvester 1066 | International Harvester 3688 | Difference |
|---|---|---|---|
| Type | Independent | Independent | Same |
| Speed 1 | 540rpm | 540rpm | Same |
| Speed 2 | 1,000rpm | 1,000rpm | Same |
| Spec | International Harvester 1066 | International Harvester 3688 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Three-Point Hitch | Same |
| Hitch Category | III/II | II | — |
| Hitch Position | Rear | Rear | Same |
| Hitch Capacity | 5,601lb | Not recorded | — |
| Spec | International Harvester 1066 | International Harvester 3688 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Hydrostatic power | Power | — |
| Brake Type | Double dry disc, hydrostatic power self-adjusting | Hydraulic wet disc | — |
| Spec | International Harvester 1066 | International Harvester 3688 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | International Harvester 1066 | International Harvester 3688 | Difference |
|---|---|---|---|
| Coolant | 6.3gal | 6.5gal | ▲ 3688+0.2 gal · +3% |
| Spec | International Harvester 1066 | International Harvester 3688 | Difference |
|---|---|---|---|
| Type | Open operator station | Cab | — |
Category context