
International HarvesterModel A
International Harvester 644
Utility
- power
- 60 hp
- displacement
- 206 ci
- Cylinders
- 4
- Forward gears
- 8
Head to head · Utility

Utility
How they compare
644 is in the 54th percentile; 4320 is in the 53rd · 5,383 models
644 is in the 57th percentile; 4320 is in the 59th · 5,580 models
644 is in the 50th percentile; 4320 is in the 50th · 5,720 models
644 is in the 23rd percentile; 4320 is in the 39th · 4,941 models
Full comparison
| Spec | International Harvester 644 | Zetor 4320 | Difference |
|---|---|---|---|
| Manufacturer | International Harvester | Zetor | — |
| Model | 644 | 4320 | — |
| Category | Utility | Utility | Same |
| Spec | International Harvester 644 | Zetor 4320 | Difference |
|---|---|---|---|
| Manufacturer | International Harvester | Zetor | — |
| Model | D-206 | Z6201 | — |
| Power Output | 60hp | 59hp | ▲ 644+1 hp · +2% |
| Rated RPM | 2,150RPM | 2,200RPM | ▲ 4320+50 RPM · +2% |
| Cylinders | 4 | 4 | Same |
| Displacement | 206ci | 211ci | ▲ 4320+5 ci · +2% |
| Bore | 3.9in | 3.9in | Same |
| Stroke | 4.4in | 4.3in | ▲ 644+0.1 in · +2% |
| Spec | International Harvester 644 | Zetor 4320 | Difference |
|---|---|---|---|
| Type | Not recorded | Synchro | — |
| Spec | International Harvester 644 | Zetor 4320 | Difference |
|---|---|---|---|
| Length | 149in | 140in | ▲ 644+9 in · +6% |
| Width | Not recorded | 73in | — |
| Height | 98in | Not recorded | — |
| Operating Weight | 6,350lb | 6,500lb | ▲ 4320+150 lb · +2% |
| Spec | International Harvester 644 | Zetor 4320 | Difference |
|---|---|---|---|
| System Type | Not recorded | Open Center | — |
| Steering Type | Not recorded | Power | — |
| Spec | International Harvester 644 | Zetor 4320 | Difference |
|---|---|---|---|
| Hitch Category | II | II/I | — |
| Spec | International Harvester 644 | Zetor 4320 | Difference |
|---|---|---|---|
| Chassis Type | Not recorded | 4x2 | — |
| Drive Type | Not recorded | 2WD | — |
| Steering Type | Not recorded | Power | — |
| Spec | International Harvester 644 | Zetor 4320 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | International Harvester 644 | Zetor 4320 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 3.6gal | — |
Category context