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John Deere 40 vs John Deere 650

Verdict: John Deere 40 vs John Deere 650

The John Deere 40 and the John Deere 650 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 17 hp. John Deere 650 is the lighter machine (1,530 kg vs 2,900 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 650 is the newer design (1981 vs 1953). 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 40 Tractor
John Deere
71
Fit score
Best match
Clear
John Deere 650 Tractor
John Deere
71
Fit score
Best match
Clear
Rated power
17 hp
17 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
YanmarReference
All-fuel 4-speed standardJune 3 - 10, 1955Link: Nebraska Tractor Test 546 fileReference
With 9.5-16 rear tires.Reference
Total built
18,000Reference
Distributor
John DeereReference
Original price
$9,300 (1989 4WD )Reference
Differential lock
mechanical rearReference
Steering
powerReference
Variants
40C
tracked tractorReference
40H
high-cropReference
40S
standardReference
40T
tricycleReference
40V
specialReference
40U
utilityReference
40W
two-row utilityReference
Engine
Fuel tank
39.7 LReference
Aux. fuel
3.4 LReference
Drawbar (claimed)
12.5 kWReference
Belt (claimed)
15.8 kWReference
Drawbar (tested)
16.2 kWReference
Belt (tested)
18.1 kWReference
Displacement
1.6 LReference
0.9 LReference
Bore/Stroke
102 x 102 mmReference
80 x 85 mmReference
Air cleaner
oil bathReference
dryReference
Compression
6.5:1Reference
22.5:1Reference
Rated RPM
1850Reference
2600Reference
Firing order
1-2Reference
Starter volts
6Reference
12Reference
Oil capacity
4.7 LReference
13.2 LReference
Coolant capacity
13.2 LReference
3.8 LReference
Sparkplug gap
0.635 mmReference
Point gap
0.559 mmReference
Intake valve clearance
0.305 mmReference
0.203 mmReference
Exhaust valve clearance
0.305 mmReference
0.203 mmReference
Belt power (max)
15.6 kWReference
Max power
13.5 kWReference
Engine (gross)
12.7 kWReference
Power (gross)
12.7 kWReference
Pre-heating
therostartReference
Fuel Type
DieselReference
No of Cylinders
2-cylinderReference
Rated engine speed
2,600Reference
Bore and stroke
3.15x3.35 inchesReference
Compression ratio
22.5:1Reference
Cooling system
liquid-cooled inline | 4.0 qtsReference
Transmission
Type
gearReference
gearReference
Gears
4 forward and 1 reverseReference
8 forward and 2 reverseReference
Clutch
dry discReference
200mm dry discReference
forward and reverse options
8 forward and 2 reverseReference
PTO & Hydraulics
Rear Type
IReference
IReference
Rear PTO
transmissionReference
transmissionReference
Rear PTO Type
540Reference
540 (1.375)Reference
PTO (claimed)
10.8 kWReference
Hydraulic system
14.2 LReference
Capacity
14.2 LReference
Pressure
140.0 barReference
Valves
2Reference
Control
position controlReference
Engine RPM
540@2350Reference
Front PTO
independentReference
Dimensions
Weight
2900 to 3220 poundsReference
294 kgReference
Front tire
5.00-15Reference
5.00-12Reference
Rear tire
9-24Reference
9.5-16Reference
Ag front
6.00x16Reference
Ag rear
11-38 (40H)Reference
Length
291 cmReference
273 cmReference
Height
142 cmReference
Front tread
99 to 137 cmReference
Rear tread
98 to 137 cmReference
81/88 cmReference
40S Operating
1315 kgReference
40T Operating
1460 kgReference
40S Ballasted
1900 kgReference
40T Ballasted
2065 kgReference
Wheelbase
142 cmReference
Standard tires (ag)
Front: 6-12. Rear: 9.5-16Reference
Lawn/turf front
23/8.5-12Reference
Lawn/turf rear
31/15.5-15Reference
2WD Clearance (front axle)
34 cmReference
4WD Clearance (front axle)
26 cmReference
2WD Front tread
83 cmReference
4WD Front tread
86 cmReference
2WD Shipping
694 kgReference
4WD Shipping
743 kgReference
Max Drawbar
249 kgReference
John Deere 40 attachments
40 Serial Number Location
40 Serial Numbers
1953
60001 (Utility)Reference
1954
60001 (Hi-Crop)Reference
1955
60060 (Hi-Crop)Reference
Links
Capacities
Diameter
23 cmReference
Width
140 cmReference
109 cmReference
RPM
1267Reference
Speed
916.23 meters/minReference
Fuel
23.5 LReference
Electrical
Ground
positiveReference
negativeReference
Battery volts
6Reference
12Reference
Charging system
alternatorReference
Charging amps
15Reference
Battery CCA
370Reference
Battery Group
BCI 24Reference
Total cold cranking amps
370Reference
Attachment overview
Test results
Belt fuel use (max)
7.9 l/hourReference
Max pull
1138 kgReference
John Deere 650 attachments
650 Serial Number Location
650 Serial Numbers
1981
1000Reference
1982
3539Reference
1983
6250Reference
1984
10543Reference
1985
15001Reference
1986
19001Reference
1987
22501Reference
1988
24298Reference
Final
25426Reference
60" Mower deck
Cutting width
152 cmReference
Overall width
184 cmReference
John Deere 7 Backhoe
Backhoe type
John Deere 7 BackhoeReference
Transport height
175 cmReference
Digging depth
228 cmReference
Reach from pivot
289 cmReference
Loading height
177 cmReference
Bucket Rotation
180°Reference
Swing Arc
180°Reference
John Deere 650 Height
2WD Hood
109 cmReference
4WD Hood
113 cmReference
ROPS
186 cmReference
Exhaust
191 cmReference
Speeds
General
Make & Model
YanmarReference
Power
Rated Power
17 hpReference
PTO
Rear PTO Power
AvailableReference
Front PTO Power
AvailableReference
Hydraulics
Hydraulics Type
open centerReference
Maximum operating pressure
2,030 psiReference
Remote Valves
2Reference
Rear Hitch category (SAE designation)
Category IReference
Rear Hitch Sensing Type
position controlReference
Dimensions & weight
Overall Length
273.1 cmReference
Front axle clearance
2WD:13.5 inchesReference
Steering & brakes
Steering type
manual, powerReference

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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