Image not recorded
ChallengerModel A
Challenger MT315B
Utility
- power
- 58 hp
- displacement
- 201 ci
- Cylinders
- 3
- Forward gears
- 12
Head to head · Utility
Challenger MT315B vs International Harvester 644
International HarvesterModel B
International Harvester 644
Utility
- power
- 60 hp
- displacement
- 206 ci
- Cylinders
- 4
- Forward gears
- 8
ChallengerChallenger MT315B
vs
International HarvesterInternational Harvester 644
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ 644 higher · +2 hp (+3%)MT315B58 hp
64460 hp
Median Utility Tractor55 hp
MT315B is in the 52nd percentile; 644 is in the 54th · 5,383 models
Engine Displacement
▲ 644 higher · +5 ci (+2%)MT315B201 ci
644206 ci
Median Utility Tractor183 ci
MT315B is in the 55th percentile; 644 is in the 57th · 5,580 models
Cylinders
▲ 644 higher · +1 (+33%)MT315B3
6444
Median Utility Tractor4
MT315B is in the 23rd percentile; 644 is in the 50th · 5,720 models
Forward Gears
▲ MT315B higher · +4 (+50%)MT315B12
6448
Median Utility Tractor12
MT315B is in the 50th percentile; 644 is in the 23rd · 4,941 models
MT315B (A)644 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Challenger MT315B | International Harvester 644 | Difference |
|---|---|---|---|
| Manufacturer | Challenger | International Harvester | — |
| Model | MT315B | 644 | — |
| Category | Utility | Utility | Same |
Engine
| Spec | Challenger MT315B | International Harvester 644 | Difference |
|---|---|---|---|
| Manufacturer | Challenger | International Harvester | — |
| Model | Not recorded | D-206 | — |
| Power Output | 58hp | 60hp | ▲ 644+2 hp · +3% |
| Rated RPM | 2,150RPM | 2,150RPM | Same |
| Cylinders | 3 | 4 | ▲ 644+1 · +33% |
| Displacement | 201ci | 206ci | ▲ 644+5 ci · +2% |
| Bore | 4.1in | 3.9in | ▲ MT315B+0.2 in · +5% |
| Stroke | 5in | 4.4in | ▲ MT315B+0.6 in · +14% |
Transmission
| Spec | Challenger MT315B | International Harvester 644 | Difference |
|---|---|---|---|
| Type | Synchronized Shuttle / Power Shuttle | Not recorded | — |
Dimensions & Weight
| Spec | Challenger MT315B | International Harvester 644 | Difference |
|---|---|---|---|
| Length | 148in | 149in | ▲ 644+1 in · <1% |
| Width | 76in | Not recorded | — |
| Height | Not recorded | 98in | — |
| Operating Weight | 6,614lb | 6,350lb | ▲ MT315B+264 lb · +4% |
Hydraulics
| Spec | Challenger MT315B | International Harvester 644 | Difference |
|---|---|---|---|
| System Type | Open Center | Not recorded | — |
| Steering Type | Hydrostatic Power | Not recorded | — |
Tires
| Spec | Challenger MT315B | International Harvester 644 | Difference |
|---|---|---|---|
| Rear Tire Size | 16.9-30 | Not recorded | — |
Hitch & Towing
| Spec | Challenger MT315B | International Harvester 644 | Difference |
|---|---|---|---|
| Hitch Category | I/II | II | — |
Chassis & Drive
| Spec | Challenger MT315B | International Harvester 644 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Hydrostatic Power | Not recorded | — |
Electrical
| Spec | Challenger MT315B | International Harvester 644 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Operator Station
| Spec | Challenger MT315B | International Harvester 644 | Difference |
|---|---|---|---|
| Type | Cab / ROPS available | Not recorded | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 52nd percentile (58 hp)B · 54th percentile (60 hp)
Engine Displacement
median 183 ciA · 55th percentile (201 ci)B · 57th percentile (206 ci)
Cylinders
median 4A · 23rd percentile (3)B · 50th percentile (4)
Forward Gears
median 12A · 50th percentile (12)B · 23rd percentile (8)
Operating Weight
median 5,303 lbA · 63rd percentile (6,614 lb)B · 60th percentile (6,350 lb)
A · MT315BB · 644Median Utility Tractor