ChallengerModel A
Challenger MT425
Utility
- power
- Not recorded
- displacement
- 243 ci
- Cylinders
- 4
- Forward gears
- 24
Head to head · Utility
Challenger MT425 vs International Harvester 664
Image not recorded
International HarvesterModel B
International Harvester 664
Utility
- power
- Not recorded
- displacement
- 239 ci
- Cylinders
- 4
- Forward gears
- 10
ChallengerChallenger MT425
vs
International HarvesterInternational Harvester 664
How they compare
Headline specs vs. the whole Utility
Engine Displacement
▲ MT425 higher · +4 ci (+2%)MT425243 ci
664239 ci
Median Utility Tractor183 ci
MT425 is in the 67th percentile; 664 is in the 66th · 5,580 models
Cylinders
= Effectively tiedMT4254
6644
Median Utility Tractor4
MT425 is in the 50th percentile; 664 is in the 50th · 5,720 models
Forward Gears
▲ MT425 higher · +14 (+140%)MT42524
66410
Median Utility Tractor12
MT425 is in the 92nd percentile; 664 is in the 39th · 4,941 models
Operating Weight
▲ MT425 higher · +182 lb (+3%)MT4256,182 lb
6646,000 lb
Median Utility Tractor5,303 lb
MT425 is in the 58th percentile; 664 is in the 57th · 5,107 models
MT425 (A)664 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Challenger MT425 | International Harvester 664 | Difference |
|---|---|---|---|
| Manufacturer | Challenger | International Harvester | — |
| Model | MT425 | 664 | — |
| Category | Utility | Utility | Same |
Engine
| Spec | Challenger MT425 | International Harvester 664 | Difference |
|---|---|---|---|
| Manufacturer | Perkins | International Harvester | — |
| Model | 3054 | D239 | — |
| Rated RPM | 2,200RPM | Not recorded | — |
| Cylinders | 4 | 4 | Same |
| Displacement | 243ci | 239ci | ▲ MT425+4 ci · +2% |
| Bore | 3.9in | 3.9in | Same |
| Stroke | 5in | 5.1in | ▲ 664+0.1 in · +2% |
Transmission
| Spec | Challenger MT425 | International Harvester 664 | Difference |
|---|---|---|---|
| Type | 24-speed power shuttle | Manual | — |
Dimensions & Weight
| Spec | Challenger MT425 | International Harvester 664 | Difference |
|---|---|---|---|
| Width | 77in | Not recorded | — |
| Operating Weight | 6,182lb | 6,000lb | ▲ MT425+182 lb · +3% |
Hydraulics
| Spec | Challenger MT425 | International Harvester 664 | Difference |
|---|---|---|---|
| System Type | Open center | Not recorded | — |
| Steering Type | Power | Not recorded | — |
Hitch & Towing
| Spec | Challenger MT425 | International Harvester 664 | Difference |
|---|---|---|---|
| Hitch Category | II | II | Same |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Challenger MT425 | International Harvester 664 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Power | Not recorded | — |
Electrical
| Spec | Challenger MT425 | International Harvester 664 | Difference |
|---|---|---|---|
| Battery Voltage | 12V | Not recorded | — |
Operator Station
| Spec | Challenger MT425 | International Harvester 664 | Difference |
|---|---|---|---|
| Type | ROPS | Not recorded | — |
Category context
Both models against the field
Engine Displacement
median 183 ciA · 67th percentile (243 ci)B · 66th percentile (239 ci)
Cylinders
median 4A · 50th percentile (4)B · 50th percentile (4)
Forward Gears
median 12A · 92nd percentile (24)B · 39th percentile (10)
Operating Weight
median 5,303 lbA · 58th percentile (6,182 lb)B · 57th percentile (6,000 lb)
A · MT425B · 664Median Utility Tractor