Image not recorded
ChallengerModel A
Challenger MT645B
Agricultural
- power
- 235 hp
- displacement
- 449 ci
- Cylinders
- 6
- Forward gears
- Not recorded
Head to head · Agricultural
Challenger MT645B vs International Harvester 7388
Image not recorded
International HarvesterModel B
International Harvester 7388
Four-Wheel Drive
- power
- 230 hp
- displacement
- 466 ci
- Cylinders
- 6
- Forward gears
- 10
ChallengerChallenger MT645B
vs
International HarvesterInternational Harvester 7388
How they compare
Headline specs vs. the whole Agricultural
Engine Power
▲ MT645B higher · +5 hp (+2%)MT645B235 hp
7388230 hp
Median Agricultural Tractor110 hp
MT645B is in the 86th percentile; 7388 is in the 85th · 1,028 models
Engine Displacement
▲ 7388 higher · +17 ci (+4%)MT645B449 ci
7388466 ci
Median Agricultural Tractor336 ci
MT645B is in the 79th percentile; 7388 is in the 84th · 1,083 models
Cylinders
= Effectively tiedMT645B6
73886
Median Agricultural Tractor5.5
MT645B is in the 74th percentile; 7388 is in the 74th · 1,130 models
Operating Weight
▲ MT645B higher · +95 lb (<1%)MT645B19,595 lb
738819,500 lb
Median Agricultural Tractor10,914 lb
MT645B is in the 82nd percentile; 7388 is in the 82nd · 971 models
MT645B (A)7388 (B)Median Agricultural Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Challenger MT645B | International Harvester 7388 | Difference |
|---|---|---|---|
| Manufacturer | Challenger | International Harvester | — |
| Model | MT645B | 7388 | — |
| Category | Agricultural | Four-Wheel Drive | — |
Engine
| Spec | Challenger MT645B | International Harvester 7388 | Difference |
|---|---|---|---|
| Manufacturer | Sisu | International Harvester | — |
| Model | 74ETA | DTI466B | — |
| Power Output | 235hp | 230hp | ▲ MT645B+5 hp · +2% |
| Rated RPM | 2,200RPM | 2,400RPM | ▲ 7388+200 RPM · +9% |
| Cylinders | 6 | 6 | Same |
| Displacement | 449ci | 466ci | ▲ 7388+17 ci · +4% |
| Bore | 4.3in | 4.3in | Same |
| Stroke | 5.3in | 5.4in | Same |
Transmission
| Spec | Challenger MT645B | International Harvester 7388 | Difference |
|---|---|---|---|
| Type | continuously variable transmission (CVT) | Manual | — |
Dimensions & Weight
| Spec | Challenger MT645B | International Harvester 7388 | Difference |
|---|---|---|---|
| Length | 206in | 246in | ▲ 7388+40 in · +19% |
| Width | 118in | 116in | ▲ MT645B+2 in · +2% |
| Height | 124in | 132in | ▲ 7388+8 in · +6% |
| Operating Weight | 19,595lb | 19,500lb | ▲ MT645B+95 lb · <1% |
Hydraulics
| Spec | Challenger MT645B | International Harvester 7388 | Difference |
|---|---|---|---|
| System Type | Pressure Flow Compensated (PFC) | Not recorded | — |
Hitch & Towing
| Spec | Challenger MT645B | International Harvester 7388 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Three-Point Hitch | Same |
| Hitch Category | III | III | Same |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Challenger MT645B | International Harvester 7388 | Difference |
|---|---|---|---|
| Chassis Type | Not recorded | 4x4 articulated 4WD | — |
| Drive Type | Not recorded | 4WD | — |
Electrical
| Spec | Challenger MT645B | International Harvester 7388 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Capacities
| Spec | Challenger MT645B | International Harvester 7388 | Difference |
|---|---|---|---|
| Coolant | 8.9gal | 11.5gal | ▲ 7388+2.6 gal · +29% |
Category context
Both models against the field
Engine Power
median 110 hpA · 86th percentile (235 hp)B · 85th percentile (230 hp)
Engine Displacement
median 336 ciA · 79th percentile (449 ci)B · 84th percentile (466 ci)
Cylinders
median 5.5A · 74th percentile (6)B · 74th percentile (6)
Operating Weight
median 10,914 lbA · 82nd percentile (19,595 lb)B · 82nd percentile (19,500 lb)
Length
median 173 inA · 82nd percentile (206 in)B · 96th percentile (246 in)
A · MT645BB · 7388Median Agricultural Tractor