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John Deere 624G vs John Deere 644A

Verdict: John Deere 624G vs John Deere 644A

The John Deere 624G and the John Deere 644A are both industrial tractors — here is how they stack up on the figures that matter. John Deere 624G leads on rated power with 150 hp against 141 hp. John Deere 644A is the lighter machine (12,007 kg vs 12,634 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 624G holds more fuel (248.7 L vs 189.2 L) for longer stints between fills. John Deere 624G is the newer design (1992 vs 1971). In short: choose the John Deere 624G 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 624G Industrial Tractor
John Deere
94
Fit score
Best match
Clear
John Deere 644A Industrial Tractor
John Deere
94
Fit score
Best match
Clear
Rated power
150 hp
141 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
liquid-cooledReference
Power shift transmission with torque converter. Automatic shift from 1-2 and 3-4.Reference
Final drives
inboard planetaryReference
inboard planetaryReference
Engine
Fuel tank
248.7 LReference
189.2 LReference
Engine (gross)
111.9 kWReference
105.1 kWReference
Engine (net)
108.1 kWReference
97.7 kWReference
Displacement
6.8 LReference
6.6 LReference
Bore/Stroke
106 x 127 mmReference
108 x 121 mmReference
Power (net)
108.1 kWReference
97.7 kWReference
Power (gross)
111.9 kWReference
105.1 kWReference
Air cleaner
dryReference
Rated RPM
2200Reference
2400Reference
Torque
618.3 NmReference
467.8 NmReference
Torque RPM
1300Reference
1600Reference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Oil capacity
18.9 LReference
16.1 LReference
Coolant capacity
24.6 LReference
34.1 LReference
Compression
16.5:1Reference
Transmission
Gears
4 forward and 3 reverseReference
4 forward and 2 reverseReference
PTO & Hydraulics
Type
power shiftReference
power shiftReference
Pressure
193.1 barReference
155.1 barReference
Pump flow
230.9 lpmReference
227.1 lpmReference
Steering flow
102.2 lpmReference
Steering press.
137.9 barReference
Dimensions
Wheelbase
303 cmReference
264 cmReference
Weight
12634 kgReference
12007 kgReference
Front tire
20.5-25Reference
20.5-25Reference
Rear tire
20.5-25Reference
20.5-25Reference
Industrial front
23.5-25Reference
17.5-25Reference
Industrial rear
23.5-25Reference
17.5-25Reference
Length
752 cmReference
629 cmReference
Width
252 cmReference
Height (cab)
329 cmReference
Height (exhaust)
294 cmReference
Operating weight
12634 kgReference
12007 kgReference
Front tread
196 cmReference
203 cmReference
Rear tread
196 cmReference
203 cmReference
Ground clearance
40 cmReference
John Deere 624G attachments
Electrical
Ground
negativeReference
Charging system
alternatorReference
alternatorReference
Battery volts
12Reference
12Reference
Batteries
2Reference
John Deere 644A attachments
John Deere 644A Height
ROPS
309 cmReference
Cab
322 cmReference
Exhaust
297 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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