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John Deere 644B vs John Deere 755B

Verdict: John Deere 644B vs John Deere 755B

The John Deere 644B and the John Deere 755B are both industrial tractors — here is how they stack up on the figures that matter. John Deere 644B leads on rated power with 160 hp against 148 hp. John Deere 644B is the lighter machine (12,746 kg vs 36,150 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 755B is the newer design (1985 vs 1974). In short: choose the John Deere 644B for outright pulling power, or the John Deere 755B if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Fit & specs
John Deere 644B Industrial Tractor
John Deere
94
Fit score
Best match
Clear
John Deere 755B Industrial Tractor
John Deere
94
Fit score
Best match
Clear
Rated power
160 hp
148 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
liquid-cooledReference
liquid-cooledReference
Final drives
inboard planetaryReference
Drive
crawlerReference
Engine
Fuel tank
212.0 LReference
Engine (gross)
119.3 kWReference
110.4 kWReference
Engine (net)
108.1 kWReference
104.4 kWReference
Displacement
8.7 LReference
6.8 LReference
Bore/Stroke
121 x 127 mmReference
106 x 127 mmReference
Power (net)
108.1 kWReference
104.4 kWReference
Power (gross)
119.3 kWReference
110.4 kWReference
Air cleaner
dryReference
dryReference
Rated RPM
2200Reference
2100Reference
Torque
585.8 NmReference
569.5 NmReference
Torque RPM
1500Reference
1300Reference
Starter
electricReference
electricReference
Starter volts
12Reference
24Reference
Oil capacity
22.7 LReference
18.9 LReference
Coolant capacity
46.4 LReference
26.5 LReference
Compression
16.8:1Reference
Transmission
Gears
4 forward and 2 reverseReference
infinite forward and reverseReference
PTO & Hydraulics
Type
power shiftReference
hydrostaticReference
Pressure
155.1 barReference
155.1 barReference
Pump flow
236.6 lpmReference
208.2 lpmReference
Steering flow
100.3 lpmReference
Steering press.
162.0 barReference
Hydraulic system
140.0 LReference
Capacity
140.0 LReference
Dimensions
Wheelbase
264 cmReference
Weight
12746 kgReference
36150 to 37450 poundsReference
Front tire
20.5-25Reference
Rear tire
20.5-25Reference
Industrial front
17.5-25Reference
Industrial rear
17.5-25Reference
Length
645 cmReference
563 cmReference
Operating weight
12746 kgReference
16987 kgReference
Ground clearance
43 cmReference
Front tread
203 cmReference
Rear tread
203 cmReference
Height (ROPS)
314 cmReference
Gauge
177 cmReference
John Deere 644B attachments
Electrical
Charging system
alternatorReference
alternatorReference
Batteries
2Reference
2Reference
Battery volts
12Reference
12Reference
Battery CCA
570Reference
John Deere 644B Height
ROPS
307 cmReference
Cab
322 cmReference
Exhaust
294 cmReference
Capacities
Fuel
276.3 LReference
John Deere 755B attachments
John Deere 755B Tracks
Width
43 cmReference
Length on ground
212 cmReference
Area on ground
2.0 m²Reference
Ground pressure
0.8 barReference
Wide track width
53 cmReference
Wide track length on ground
237 cmReference
Wide track area on ground
2.5 m²Reference
Wide track ground pressure
0.7 barReference

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.

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