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Ford 640 vs Ford Golden Jubilee NAA
Verdict: Ford 640 vs Ford Golden Jubilee NAA
The Ford 640 and the Ford Golden Jubilee NAA are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 30 hp. Ford 640 is the lighter machine (1,374 kg vs 2,550 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Ford 640 is the newer design (1954 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
Ford
62
Fit score
Best match
Clear
Ford
62
Fit score
Best match
Clear
Rated power
30 hp
30 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
FordReference
FordReference
With 11x28 rear tires.Reference
Tractor must be stopped, and clutch used, to shift gears.Reference
Steering
power assist optionalReference
—
Total built
—
128,965Reference
Variants
620
no PTO, hydraulics, or 3-point hitchReference
—
630
no PTOReference
—
640
four-speedReference
—
650
five-speedReference
—
660
five-speed, live PTOReference
—
740
row-cropReference
—
Engine
Belt (claimed)
22.4 kWReference
—
Plows
2 (14-inch)Reference
2Reference
Drawbar (tested)
21.3 kWReference
20.0 kWReference
Belt (tested)
23.1 kWReference
23.2 kWReference
Displacement
2.2 LReference
2.2 LReference
Bore/Stroke
87 x 91 mmReference
87 x 91 mmReference
Emissions
Tier 0Reference
—
Air cleaner
oil bathReference
—
Compression
6.6:1Reference
6.6:1Reference
Rated RPM
2200Reference
2000Reference
Firing order
1-2-4-3Reference
1-2-4-3Reference
Starter volts
6Reference
6Reference
Coolant capacity
14.2 LReference
14.2 LReference
Sparkplug
14MMReference
H-10 14mmReference
Sparkplug gap
0.787 mmReference
0.635 mmReference
Oil capacity
4.7 LReference
4.7 LReference
Oil change
100 hReference
—
Belt power (max)
21.2 kWReference
23.2 kWReference
Max power
20.2 kWReference
20.0 kWReference
Drawbar (claimed)
—
15.1 kWReference
Idle RPM
—
450-2000Reference
Operating RPM
—
1500-2000Reference
Torque
—
149.2 NmReference
Torque RPM
—
1400Reference
Point gap
—
0.635 mmReference
Transmission
Transmission
FordReference
FordReference
Gears
4 forward and 1 reverseReference
4 forward and 1 reverseReference
Clutch
dry discReference
dry discReference
Capacities
Fuel
41.6 LReference
41.6 LReference
Diameter
22 cmReference
22 cmReference
Width
164 cmReference
164 cmReference
RPM
1,366Reference
1358Reference
Speed
980.85 meters/minReference
975.06 meters/minReference
Rear axle
—
7.6 LReference
PTO & Hydraulics
Hydraulic system
8.5 LReference
7.6 LReference
Type
unsynchronized gearReference
gearReference
Capacity
8.5 LReference
7.6 LReference
Pressure
137.9 barReference
137.9 barReference
Pump flow
18.2 lpmReference
18.2 lpmReference
Steering flow
24.6 lpmReference
—
Steering press.
6.9 barReference
120.7 barReference
Rear Type
IReference
IReference
Control
position and draft controlReference
position and draft controlReference
Rear lift
567 kgReference
362 kgReference
Rear PTO
transmission (non-live)Reference
transmissionReference
Rear PTO Type
540 (1.125)Reference
540 (1.125)Reference
PTO (claimed)
—
22.5 kWReference
Oil type
—
[0oC]Reference
32oF [0oC]↑
—
: SAE90Reference
32oF [0oC]↓
—
: SAE80Reference
Engine RPM
—
545@1500Reference
Dimensions
Wheelbase
191 cmReference
187 cmReference
Weight
1374 kgReference
2550 to 2814 poundsReference
Front tire
5.50-16Reference
5.50-16Reference
Rear tire
11-28Reference
10-28Reference
Ag front
5.50-16Reference
6.00-16Reference
Ag rear
11-28Reference
10-28Reference
Length
308 cmReference
301 cmReference
Height
149 cmReference
145 cmReference
Ballasted weight
1651 kgReference
—
Ground clearance
53 cmReference
33 cmReference
Front tread
132 to 193 cmReference
121 to 193 cmReference
Rear tread
132 to 193 cmReference
121 to 193 cmReference
Clearance (front axle)
—
53 cmReference
Clearance (rear axle)
—
53 cmReference
Shipping
—
1156 kgReference
Operating
—
1276 kgReference
Ballasted
—
1992 kgReference
Ford 640 attachments
640 Serial Number Location
640 Serial Numbers
1954
1Reference
NAA 77478Reference
1955
10615Reference
—
1956
77271Reference
—
1957
116368Reference
—
Electrical
Ground
positiveReference
positiveReference
Charging system
generatorReference
generatorReference
Charging amps
20Reference
20Reference
Battery volts
6Reference
6Reference
Test results
Belt fuel use (max)
14.8 l/hourReference
11.0 l/hourReference
Max pull
1275 kgReference
1466 kgReference
Speeds
NAA Serial Number Location
NAA Serial Numbers
1952
—
NAA 1Reference
1953
—
NAA 4930Reference
Final
—
NAA 128965Reference
Links
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.