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John Deere 644A vs John Deere 750C

Verdict: John Deere 644A vs John Deere 750C

The John Deere 644A and the John Deere 750C are both industrial tractors — here is how they stack up on the figures that matter. John Deere 750C leads on rated power with 148 hp against 141 hp. John Deere 644A is the lighter machine (12,007 kg vs 14,384 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 750C holds more fuel (280.1 L vs 189.2 L) for longer stints between fills. John Deere 750C is the newer design (1994 vs 1971). In short: choose the John Deere 750C for outright pulling power, or the John Deere 644A 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 644A Industrial Tractor
John Deere
94
Fit score
Best match
Clear
John Deere 750C Industrial Tractor
John Deere
94
Fit score
Best match
Clear
Rated power
141 hp
148 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
Power shift transmission with torque converter. Automatic shift from 1-2 and 3-4.Reference
liquid-cooledReference
Final drives
inboard planetaryReference
Drive
crawlerReference
Engine
Fuel tank
189.2 LReference
280.1 LReference
Engine (gross)
105.1 kWReference
110.4 kWReference
Engine (net)
97.7 kWReference
104.4 kWReference
Displacement
6.6 LReference
6.8 LReference
Bore/Stroke
108 x 121 mmReference
106 x 127 mmReference
Power (net)
97.7 kWReference
104.4 kWReference
Power (gross)
105.1 kWReference
110.4 kWReference
Compression
16.5:1Reference
Rated RPM
2400Reference
2100Reference
Torque
467.8 NmReference
569.5 NmReference
Torque RPM
1600Reference
1300Reference
Starter
electricReference
electricReference
Starter volts
12Reference
24Reference
Oil capacity
16.1 LReference
18.9 LReference
Coolant capacity
34.1 LReference
26.5 LReference
Air cleaner
dryReference
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
227.1 lpmReference
166.5 lpmReference
Steering flow
102.2 lpmReference
Steering press.
137.9 barReference
Dimensions
Wheelbase
264 cmReference
Weight
12007 kgReference
14384 kgReference
Front tire
20.5-25Reference
Rear tire
20.5-25Reference
Industrial front
17.5-25Reference
Industrial rear
17.5-25Reference
Length
629 cmReference
Operating weight
12007 kgReference
14384 kgReference
Ground clearance
40 cmReference
Front tread
203 cmReference
Rear tread
203 cmReference
Straight dozer length
495 cmReference
Semi-U dozer length
501 cmReference
Angle Dozer dozer length
499 cmReference
Height (ROPS)
306 cmReference
Height (exhaust)
316 cmReference
Gauge
187 cmReference
John Deere 644A attachments
Electrical
Charging system
alternatorReference
alternatorReference
Batteries
2Reference
2Reference
Battery volts
12Reference
12Reference
Ground
negativeReference
John Deere 644A Height
ROPS
309 cmReference
Cab
322 cmReference
Exhaust
297 cmReference
John Deere 750C attachments
John Deere 750C Tracks
Width
35 cmReference

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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