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John Deere 4440 Hi-Crop vs John Deere 6630 Premium
Verdict: John Deere 4440 Hi-Crop vs John Deere 6630 Premium
The John Deere 4440 Hi-Crop and the John Deere 6630 Premium are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 130 hp. John Deere 4440 Hi-Crop is the lighter machine (5,022 kg vs 5,230 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 6630 Premium is the newer design (2006 vs 1978). 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
94
Fit score
Best match
Clear
John Deere
94
Fit score
Best match
Clear
Rated power
130 hp
130 hp
Confidence
98%
98%
Guide price
—
—
Overview
Manufacturer
John DeereReference
John DeereReference
With 18.4-34 rear tires.Reference
The AutoPowr IVT is controlled by left-hand shuttle and a right-hand speed lever with speed wheel. The speed wheel sets the maximum speed. When set below 2kph, the transmission is automatically in creeper mode. AutoPowr available with 40kph and 50kph maximum speeds.Reference
Variants
4440
row-cropReference
—
4440 Hi-Crop
high-clearanceReference
—
Engine
Displacement
7.6 LReference
6.8 LReference
Bore/Stroke
116 x 121 mmReference
106 x 127 mmReference
Air cleaner
dry with safety elementReference
dry elementReference
Compression
14.9:1Reference
—
Rated RPM
2200Reference
2300Reference
Firing order
1-5-3-6-2-4Reference
1-5-3-6-2-4Reference
Oil capacity
15.1 LReference
62.0 LReference
Coolant capacity
34.1 LReference
28.0 LReference
Intake valve clearance
0.457 mmReference
0.356 mmReference
Exhaust valve clearance
0.711 mmReference
0.457 mmReference
Engine (gross)
—
96.9 kWReference
Engine (net)
—
93.2 kWReference
Engine (max)
—
103.7 kWReference
Emissions
—
Tier IIIReference
Emission control
—
exhaust gas recirculation (EGR)Reference
Rated Power (net)
—
93.2 kWReference
Rated Power (gross)
—
96.9 kWReference
Maximum Power (net)
—
99.9 kWReference
Maximum Power (gross)
—
103.7 kWReference
Fuel system
—
high-pressure common rail injectionReference
Cooling system
—
viscous fanReference
Idle RPM
—
845-2465Reference
Operating RPM
—
1300-2300Reference
Torque
—
534.3 NmReference
Torque RPM
—
1500Reference
Starter volts
—
12Reference
Starter power
—
3.0 kWReference
Oil change
—
500 hReference
Coolant change
—
1500 hReference
Transmission
Transmission
John Deere Syncro-RangeReference
John Deere AutoPowrReference
Type
partially synchronizedReference
infinitely variable transmission (IVT)Reference
Gears
8 forward and 2 reverseReference
infinite forward and reverseReference
PTO & Hydraulics
PTO (claimed)
96.9 kWReference
83.5 kWReference
Boost PTO (claimed)
—
96.9 kWReference
Hydraulic system
—
53.0 LReference
IVT Hydraulic system
—
62.1 LReference
Capacity
—
53.0 LReference
IVT Capacity
—
62.1 LReference
Pressure
—
200.0 barReference
Valves
—
4 (Max)Reference
Pump flow
—
60.2 lpmReference
Optional Pump flow
—
110.1 lpmReference
Rear Type
—
IIINReference
Control
—
15.9Reference
Optional Control
—
29.1Reference
Rear lift (at ends)
—
7656 kgReference
Rear PTO
—
independentReference
Clutch
—
PermaClutch II wet discReference
Rear PTO Type
—
540/540E/1000Reference
Engine RPM
—
1000@2185Reference
Front PTO Type
—
1000Reference
Dimensions
Wheelbase
271 cmReference
264 cmReference
Weight
5022 kgReference
5230 kgReference
Front tire
9.50-20Reference
420/70R28Reference
Rear tire
20.8-38Reference
18.4R38Reference
Ag front
7.50-20Reference
—
Ag rear
18.4-34Reference
—
Length
401 cmReference
429 cmReference
Width
242 cmReference
231 cmReference
Height (steering wheel)
266 cmReference
—
Height (exhaust)
310 cmReference
—
Shipping weight
5022 kgReference
—
Clearance (front axle)
104 cmReference
—
Clearance (rear axle)
76 cmReference
—
Rear axle
85 mmReference
—
Front tread
152 to 223 cmReference
162 to 211 cmReference
Standard tires (ag)
—
Front: 420/70R28. Rear: 18.4R38Reference
Height
—
274 cmReference
Rear tread
—
162 to 202 cmReference
Shipping
—
5230 kgReference
Max rear axle
—
6999 kgReference
Speeds
Capacities
Fuel
—
207.0 LReference
Optional Fuel
—
249.8 LReference
Max capacity
—
10001 kgReference
6630 Premium Serial Numbers
Location:
—
Front-right side of main tractor frame, above front axle.Reference
Electrical
Ground
—
negativeReference
Charging system
—
alternatorReference
Battery volts
—
12Reference
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.