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John Deere 7930 vs John Deere 8440

Verdict: John Deere 7930 vs John Deere 8440

The John Deere 7930 and the John Deere 8440 are both tractors — here is how they stack up on the figures that matter. John Deere 7930 leads on rated power with 183 hp against 180 hp. John Deere 7930 is the lighter machine (8,042 kg vs 12,061 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 7930 is the newer design (2007 vs 1979). In short: choose the John Deere 7930 for outright pulling power, or the John Deere 8440 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 7930 Tractor
John Deere
94
Fit score
Best match
Clear
John Deere 8440 Tractor
John Deere
94
Fit score
Best match
Clear
Rated power
183 hp
180 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
Four push-button power shift gears (1-4) in five synchronized ranges (A-D) with left-hand power shuttle. Available in 40 kph and 50 kph versions.Reference
With 18.4-38 tires.Reference
Differential lock
hydraulic front and rearReference
Engine
Engine
164.1 kWReference
160.3 kWReference
Drawbar (tested)
123.4 kWReference
119.7 kWReference
Displacement
6.8 LReference
7.6 LReference
Bore/Stroke
106 x 127 mmReference
116 x 121 mmReference
Power
164.1 kWReference
160.3 kWReference
Fuel system
high-pressure common railReference
Cooling system
viscous fanReference
Air cleaner
dual paper elementsReference
Compression
17:1Reference
15.5:1Reference
Rated RPM
2100Reference
2100Reference
Torque
874.6 NmReference
Torque RPM
1602Reference
Firing order
1-5-3-6-2-4Reference
1-5-3-6-2-4Reference
Starter volts
12Reference
12Reference
Oil capacity
26.0 LReference
151.4 LReference
Max power
118.6 kWReference
119.7 kWReference
Power at rated engine speed
136.4 kWReference
134.1 kWReference
Fuel Type
DieselReference
No of Cylinders
6 cylinderReference
Rated engine speed
RPMReference
Engine torque at rated speed
292.6 kgReference
Bore and stroke
4.19x5.00 inchesReference
Idle RPM
800-2300Reference
Operating RPM
1500-2100Reference
Coolant capacity
37.9 LReference
Transmission
Transmission
Infinitely Variable Transmission (IVT)Reference
John Deere Quad-RangeReference
Gears
infinite forward and reverseReference
16 forward and 6 reverseReference
Transmission Type
Power QuadReference
Wheel Drive
4WDReference
PTO & Hydraulics
PTO (claimed)
134.2 kWReference
130.5 kWReference
PTO (tested)
151.7 kWReference
134.1 kWReference
Hydraulic system
107.9 LReference
151.4 LReference
Type
closed center load-sensingReference
partial power shiftReference
Capacity
107.9 LReference
151.4 LReference
Pressure
200.0 barReference
Valves
2 to 7Reference
2Reference
SCV flow
113.6 lpmReference
Total flow
170.3 lpmReference
Rear Type
IIIReference
IIIReference
Rear lift
6350 kgReference
3876 kgReference
Rear PTO
independentReference
independentReference
Clutch
hydraulic wet discReference
hydraulic wet discReference
Rear PTO Type
540/1000 (1.375)Reference
1000Reference
Engine RPM
1000@1950Reference
Power at rated PTO speed
148.2 kWReference
Pump flow
124.9 lpmReference
Capacities
Fuel
355.8 LReference
590.5 LReference
Fuel tank
389.9 LReference
Crankcase oil volume
27.5 qtsReference
Dimensions
Wheelbase
286 cmReference
317 cmReference
Weight
8042 kgReference
12061 kgReference
Front tire
420/90R30Reference
18.4-34Reference
Rear tire
480/80R46Reference
18.4-34Reference
Standard tires (ag)
Front: 420/90R30. Rear: 480/80R46Reference
Length
571 cmReference
567 cmReference
Width
243 cmReference
Height (cab)
310 cmReference
Shipping weight
8042 kgReference
Clearance (front axle)
69 cmReference
Clearance (rear axle)
82 cmReference
Clearance (drawbar)
46 cmReference
Bar rear axle
100 by 3009 mmReference
Ag front
18.4-34Reference
Ag rear
18.4-34Reference
Operating weight
12061 kgReference
Ground clearance
49 cmReference
Front axle
99 by 3007 mmReference
Rack-and-pinion rear axle
99 by 3007 mmReference
Front tread
160 to 330 cmReference
Rear tread
160 to 330 cmReference
7930 Serial Number Location
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
alternatorReference
Charging amps
200Reference
90Reference
Batteries
2Reference
2Reference
Battery CCA
925Reference
850Reference
Battery volts
12Reference
6Reference
Total cold cranking amps
925Reference
Test results
Fuel use
40.5 l/hourReference
42.4 l/hourReference
Max pull
11513 kgReference
Speeds
General
Make & Model
John DeereReference
Cruise control
TRUEReference
Rear Axle Type
BarReference
Country of manufacturer
USAReference
PTO
PTO Power
180 hpReference
Rear PTO Power
AvailableReference
Rear PTO RPM
1,000 RPMReference
Engine Speed on Rear PTO speed
1,000@1,950 RPMReference
Steering & brakes
Brakes
Hydraulic Wet DiscReference
Steering type
PowerReference
Hydraulics
Pump Rated Output (total)
45 gpmReference
Hydraulics Type
Closed Center Load-SensingReference
Maximum operating pressure
2,900 psiReference
Remote Valves
2 to 7 ValvesReference
Rear Hitch category (SAE designation)
Category IIIReference
Rear Hitch maximum lift capacity
6,350.3 kgReference
Dimensions & weight
Height Over Cab
310.9 cmReference
Overall Length
571.5 cmReference
Overall Width
243.8 cmReference
Drawbar clearance
46.4 cmReference
Front axle clearance
69.6 cmReference
Overall weight
8,042.6 kgReference
Wheels & tyres
Rear Wheel Type
480/80R46Reference
Front Wheel Type
420/90R30Reference
Operator station
Cab Availability
AvailableReference
Seat Suspension
TRUEReference
8440 Serial Number Location
8440 Serial Numbers
1979
1000Reference
1980
2266Reference
1981
3758Reference
1982
5235Reference
John Deere 8440 Height
Hood
221 cmReference
Cab
321 cmReference
Exhaust
341 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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