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John Deere 401B vs John Deere 401D
Verdict: John Deere 401B vs John Deere 401D
The John Deere 401B and the John Deere 401D are both industrial tractors — here is how they stack up on the figures that matter. Both are rated at the same 66 hp. John Deere 401B is the lighter machine (4,452 kg vs 5,120 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 401D is the newer design (1983 vs 1974). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
John Deere
71
Fit score
Best match
Clear
John Deere
71
Fit score
Best match
Clear
Rated power
66 hp
66 hp
Confidence
98%
98%
Guide price
—
—
Overview
Manufacturer
John DeereReference
John DeereReference
Reverse speeds are about 20% father than forward.Reference
liquid-cooledReference
Final drives
inboard planetaryReference
inboard planetaryReference
Differential lock
rear standardReference
mechanical rearReference
Steering
powerReference
—
Engine
Engine (gross)
49.2 kWReference
49.2 kWReference
Engine (net)
46.2 kWReference
46.2 kWReference
Engine
31.3 kWReference
—
Displacement
3.6 LReference
3.6 LReference
Bore/Stroke
102 x 110 mmReference
102 x 110 mmReference
Power (net)
46.2 kWReference
46.2 kWReference
Power (gross)
49.2 kWReference
49.2 kWReference
Air cleaner
dryReference
dryReference
Rated RPM
2500Reference
2500Reference
Torque
217.0 NmReference
217.0 NmReference
Torque RPM
1300Reference
1300Reference
Starter volts
12Reference
12Reference
Oil capacity
5.7 LReference
8.5 LReference
Coolant capacity
11.4 LReference
11.4 LReference
Intake valve clearance
0.356 mmReference
0.356 mmReference
Exhaust valve clearance
0.457 mmReference
0.457 mmReference
Power
31.3 kWReference
—
Transmission
Gears
8 forward and reverseReference
8 forward and reverseReference
Clutch
254mm hydraulic wet discReference
255 hydraulic wet discReference
Capacities
Fuel
73.8 LReference
73.8 LReference
PTO & Hydraulics
Hydraulic system
37.9 LReference
32.2 LReference
Type
power shuttleReference
power shuttleReference
Capacity
37.9 LReference
32.2 LReference
Pressure
162.0 barReference
155.1 barReference
Total flow
49.2 lpmReference
—
Rear Type
OptionalReference
IIReference
Rear PTO
optionalReference
independentReference
Rear PTO Type
540Reference
540Reference
Pump flow
—
106.0 lpmReference
Mid PTO Type
—
1000Reference
Dimensions
Wheelbase
201 cmReference
208 cmReference
Weight
2848 kgReference
5120 to 10800 poundsReference
Front tire
11L-15Reference
11L-15Reference
Rear tire
14.9-24Reference
17.5L-24Reference
Ag rear
14.9-24Reference
16.9-24Reference
Lawn/turf front
27-9.50-16Reference
—
Lawn/turf rear
18.4-16AReference
—
Industrial front
7.50/8.00-16Reference
27x9.5-15Reference
Industrial rear
17.5L-24Reference
19.5L-24Reference
Length
485 cmReference
353 cmReference
Width
190 cmReference
190 cmReference
Ground clearance
27 cmReference
—
Clearance (front axle)
43 cmReference
48 cmReference
Front tread
124 to 187 cmReference
137 cmReference
Rear tread
121 to 193 cmReference
152 cmReference
Ag front
—
7.50/8.00-16Reference
Height (ROPS)
—
236 cmReference
Height (exhaust)
—
264 cmReference
Operating weight
—
4898 kgReference
John Deere 401B attachments
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
alternatorReference
Battery volts
12Reference
12Reference
Charging amps
—
35Reference
Batteries
—
2Reference
John Deere 401B Height
Hood
139 cmReference
—
ROPS
218 cmReference
—
Exhaust
200 cmReference
—
Speeds
John Deere 401D attachments
Attachment overview
John Deere 9250B Backhoe
Backhoe type
—
John Deere 9250B BackhoeReference
Transport height
—
340 cmReference
Digging depth
—
431 cmReference
2-Foot flat digging depth
—
426 cmReference
8-Foot flat digging depth
—
314 cmReference
Reach from pivot
—
525 cmReference
Loading height
—
355 cmReference
Swing Arc
—
180°Reference
Bucket force
—
3356 kgReference
Dipperstick force
—
1859 kgReference
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.