ChallengerModel A
Challenger 65B
Crawler
- power
- 285 hp
- displacement
- 638 ci
- Cylinders
- 6
- Forward gears
- 10
Head to head · Crawler
Challenger 65B vs John Deere 8420T
Image not recorded
John DeereModel B
John Deere 8420T
Crawler
- power
- 284 hp
- displacement
- 496 ci
- Cylinders
- 6
- Forward gears
- 16
ChallengerChallenger 65B
vs
John DeereJohn Deere 8420T
How they compare
Headline specs vs. the whole Crawler
Engine Power
▲ 65B higher · +1 hp (<1%)65B285 hp
8420T284 hp
Median Crawler Tractor200 hp
65B is in the 64th percentile; 8420T is in the 63rd · 142 models
Engine Displacement
▲ 65B higher · +142 ci (+29%)65B638 ci
8420T496 ci
Median Crawler Tractor468 ci
65B is in the 70th percentile; 8420T is in the 54th · 191 models
Cylinders
= Effectively tied65B6
8420T6
Median Crawler Tractor6
65B is in the 50th percentile; 8420T is in the 50th · 192 models
Forward Gears
▲ 8420T higher · +6 (+60%)65B10
8420T16
Median Crawler Tractor10
65B is in the 50th percentile; 8420T is in the 69th · 179 models
65B (A)8420T (B)Median Crawler Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Challenger 65B | John Deere 8420T | Difference |
|---|---|---|---|
| Manufacturer | Challenger | John Deere | — |
| Model | 65B | 8420T | — |
| Category | Crawler | Crawler | Same |
Engine
| Spec | Challenger 65B | John Deere 8420T | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | John Deere | — |
| Power Output | 285hp | 284hp | ▲ 65B+1 hp · <1% |
| Rated RPM | 2,100RPM | 2,200RPM | ▲ 8420T+100 RPM · +5% |
| Cylinders | 6 | 6 | Same |
| Displacement | 638ci | 496ci | ▲ 65B+142 ci · +29% |
| Bore | 4.8in | 4.6in | ▲ 65B+0.2 in · +4% |
| Stroke | 6in | 5.1in | ▲ 65B+0.9 in · +18% |
Transmission
| Spec | Challenger 65B | John Deere 8420T | Difference |
|---|---|---|---|
| Type | Full Power Shift | Full power shift | Same |
Dimensions & Weight
| Spec | Challenger 65B | John Deere 8420T | Difference |
|---|---|---|---|
| Length | 107in | 207in | ▲ 8420T+100 in · +93% |
| Width | 24.5in | 104in | ▲ 8420T+79.5 in · +324% |
| Height | Not recorded | 123in | — |
| Operating Weight | 34,030lb | 26,380lb | ▲ 65B+7,650 lb · +29% |
Hydraulics
| Spec | Challenger 65B | John Deere 8420T | Difference |
|---|---|---|---|
| System Type | Closed | Closed center pressure flow compensated (PFC) | — |
| Steering Type | Hydrostatic Differential Steering | Electro-hydraulic power | — |
Hitch & Towing
| Spec | Challenger 65B | John Deere 8420T | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Three-Point Hitch | Same |
| Hitch Category | III/IV | III/IIIN | — |
| Hitch Position | Rear | Rear | Same |
Chassis & Drive
| Spec | Challenger 65B | John Deere 8420T | Difference |
|---|---|---|---|
| Drive Type | Not recorded | Track | — |
| Steering Type | Hydrostatic Differential Steering | Electro-hydraulic power | — |
Electrical
| Spec | Challenger 65B | John Deere 8420T | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Challenger 65B | John Deere 8420T | Difference |
|---|---|---|---|
| Coolant | 11gal | 9gal | ▲ 65B+2 gal · +22% |
Operator Station
| Spec | Challenger 65B | John Deere 8420T | Difference |
|---|---|---|---|
| Type | Not recorded | Cab | — |
Category context
Both models against the field
Engine Power
median 200 hpA · 64th percentile (285 hp)B · 63rd percentile (284 hp)
Engine Displacement
median 468 ciA · 70th percentile (638 ci)B · 54th percentile (496 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Forward Gears
median 10A · 50th percentile (10)B · 69th percentile (16)
Operating Weight
median 23,320 lbA · 71st percentile (34,030 lb)B · 59th percentile (26,380 lb)
A · 65BB · 8420TMedian Crawler Tractor