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 Valtra Q245
ValtraModel B
Valtra Q245
Agricultural
- power
- 241 hp
- displacement
- 450 ci
- Cylinders
- 6
- Forward gears
- Not recorded
ChallengerChallenger MT645B
vs
ValtraValtra Q245
How they compare
Headline specs vs. the whole Agricultural
Engine Power
▲ Q245 higher · +6 hp (+3%)MT645B235 hp
Q245241 hp
Median Agricultural Tractor110 hp
MT645B is in the 86th percentile; Q245 is in the 87th · 1,028 models
Engine Displacement
▲ Q245 higher · +1 ci (<1%)MT645B449 ci
Q245450 ci
Median Agricultural Tractor336 ci
MT645B is in the 79th percentile; Q245 is in the 80th · 1,083 models
Cylinders
= Effectively tiedMT645B6
Q2456
Median Agricultural Tractor5.5
MT645B is in the 74th percentile; Q245 is in the 74th · 1,130 models
Operating Weight
▲ Q245 higher · +688 lb (+4%)MT645B19,595 lb
Q24520,283 lb
Median Agricultural Tractor10,914 lb
MT645B is in the 82nd percentile; Q245 is in the 85th · 971 models
MT645B (A)Q245 (B)Median Agricultural Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Challenger MT645B | Valtra Q245 | Difference |
|---|---|---|---|
| Manufacturer | Challenger | Valtra | — |
| Model | MT645B | Q245 | — |
| Category | Agricultural | Agricultural | Same |
Engine
| Spec | Challenger MT645B | Valtra Q245 | Difference |
|---|---|---|---|
| Manufacturer | Sisu | AGCO Power | — |
| Model | 74ETA | 74 LFTN-D5 | — |
| Power Output | 235hp | 241hp | ▲ Q245+6 hp · +3% |
| Rated RPM | 2,200RPM | 1,950RPM | ▲ MT645B+250 RPM · +13% |
| Cylinders | 6 | 6 | Same |
| Displacement | 449ci | 450ci | ▲ Q245+1 ci · <1% |
| Bore | 4.3in | 4.3in | Same |
| Stroke | 5.3in | 5.3in | Same |
Transmission
| Spec | Challenger MT645B | Valtra Q245 | Difference |
|---|---|---|---|
| Type | continuously variable transmission (CVT) | continuously-variable transmission | — |
Dimensions & Weight
| Spec | Challenger MT645B | Valtra Q245 | Difference |
|---|---|---|---|
| Length | 206in | 219in | ▲ Q245+13 in · +6% |
| Width | 118in | 100in | ▲ MT645B+18 in · +18% |
| Height | 124in | 131in | ▲ Q245+7 in · +6% |
| Operating Weight | 19,595lb | 20,283lb | ▲ Q245+688 lb · +4% |
Hydraulics
| Spec | Challenger MT645B | Valtra Q245 | Difference |
|---|---|---|---|
| System Type | Pressure Flow Compensated (PFC) | Not recorded | — |
Hitch & Towing
| Spec | Challenger MT645B | Valtra Q245 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Not recorded | — |
| Hitch Category | III | Category 3 | — |
| Hitch Position | Rear | Not recorded | — |
Electrical
| Spec | Challenger MT645B | Valtra Q245 | Difference |
|---|---|---|---|
| Starter Type | Electric | electric | Same |
Capacities
| Spec | Challenger MT645B | Valtra Q245 | Difference |
|---|---|---|---|
| Coolant | 8.9gal | Not recorded | — |
Category context
Both models against the field
Engine Power
median 110 hpA · 86th percentile (235 hp)B · 87th percentile (241 hp)
Engine Displacement
median 336 ciA · 79th percentile (449 ci)B · 80th percentile (450 ci)
Cylinders
median 5.5A · 74th percentile (6)B · 74th percentile (6)
Operating Weight
median 10,914 lbA · 82nd percentile (19,595 lb)B · 85th percentile (20,283 lb)
Length
median 173 inA · 82nd percentile (206 in)B · 89th percentile (219 in)
A · MT645BB · Q245Median Agricultural Tractor