The Ford 6640 tractor weighs 8,135 lb (3,690 kg) using its published Operating 4WD ROPS weight. Other useful published figures are 7,099 lb (2WD ROPS Shipping) and 10,368 lb (Ballasted). That places it around the 81st percentile among comparable utility tractors, heavier than about 81% of its peers.
The published Ford 6640 weight is 7,099–10,368 lb (3,220–4,702 kg). The primary figure used for comparisons is 8,135 lb (3,690 kg), listed as Operating — 4WD ROPS. The published configurations span 3,269 lb, a 46% difference from the lightest listed setup.
Tractor-weight benchmark
How this weight compares
Utility Tractor peers · 1,294 tractors in the benchmark.
Representative published weight
Heavy
8,135 lb
Low1,537 lb
This model8,135 lb
Average5,263 lb
High9,595 lb
Low and high use the 10th and 90th percentiles of the peer group, which keeps one unusually light or heavy tractor from distorting the scale. Average is the peer-group mean.
At a glance
Tractor profile
Published weight7,099–10,368 lb (3,220–4,702 kg)
Overall weight bandHeavy
Tractor typeUtility Tractor
Primary horsepower90.7 hp / 67.6 kW
Max length162 in (411 cm)
Max width80 in (203 cm)
Overview
Model information
Manufacturer
Ford
Model
6640
Category
Farm tractor
Model years
1991 – 1995
Tractor type
Utility Tractor
Published weight variants
6
Published configurations
Weight variants
Shipping, operating, ballasted and drivetrain/configuration weights are kept separate when the source publishes them separately.
Weight type
Configuration
Weight
Metric
US tons
Variant / note
2WD ROPS Shipping
—
7,099 lb
3,220 kg
3.55
—
4WD ROPS Shipping
—
8,091 lb
3,670 kg
4.05
—
2WD Cab Shipping
—
8,129 lb
3,687 kg
4.06
—
4WD Cab Shipping
—
9,121 lb
4,137 kg
4.56
—
Operating
4WD ROPS
8,135 lb
3,690 kg
4.07
—
Ballasted
—
10,368 lb
4,702 kg
5.18
—
Configuration effect
How configuration changes the weight
3,269 lbLightest to heaviest · 46% spread across published variants
+1,036 lbShipping to operating · 14.6% increase
+3,269 lbBase to ballasted · 46% increase
Dimensions, power & hauling
Technical details
Dimensions
Wheelbase93 in (236 cm)
Length162 in (411 cm)
Width80 in (203 cm)
Height112 in (284 cm)
Power & weight ratios
Primary power90.7 hp (67.6 kW)
Power basisEngine (gross)
Weight per horsepower89.7 lb/hp
Weight per foot of length602.6 lb/ft
Wheelbase / length57.4%
Transport snapshot
Primary published weight8,135 lb (3,690 kg)
Maximum published weight10,368 lb (4,702 kg)
Maximum US-ton equivalent5.18 US tons
Maximum published width80 in (203 cm)
Published width over 102 inNo
Weight context
Weight range7,099–10,368 lb (3,220–4,702 kg)
Primary weight basisOperating — 4WD ROPS
Peer positionHeavy among Utility Tractor peers · 81st percentile
Physical size classAbove-average size
For transport planning, the representative published tractor weight is about 8,135 lb (4.07 US tons); published configurations reach 10,368 lb (5.18 US tons); the widest published tractor dimension is 80 in (6.7 ft). Actual transport weight and dimensions can increase with fuel, ballast, a loader, implements, tires and other installed equipment.
Nearby benchmarks
Tractors with similar weight
Useful reference points from the same dataset.
Closest by published weight
Case IH C80 (8135 lb)
Case IH CX80 (8135 lb)
New Holland 6640 (8135 lb)
New Holland TL100 (8135 lb)
John Deere 5090M (8140 lb)
Closest comparable tractors
New Holland 6640 (8135 lb, 90.7 hp)
John Deere 5090M (8157 lb, 90 hp)
Case IH C90 (8170 lb, 90 hp)
Case IH CX90 (8170 lb, 90 hp)
John Deere 5090M (8140 lb, 89.2 hp)
Common questions
Ford 6640 weight FAQ
How much does a Ford 6640 weigh?
The Ford 6640 weighs 8,135 lb (3,690 kg) using the published Operating — 4WD ROPS figure. Across the published configurations on this page, weight ranges from 7,099 to 10,368 lb (3,220 to 4,702 kg).
How much heavier is the 4WD Ford 6640 than the 2WD model?
Published 2WD weight is 7,099–8,129 lb (3,220–3,687 kg), while published 4WD weight is 8,091–9,121 lb (3,670–4,137 kg). On a midpoint basis, the published 4WD configurations are about 992 lb heavier. Tires, transmission and other configuration differences can also affect the number.
What is the operating weight of the Ford 6640 compared with shipping weight?
Published operating weight is 8,135 lb (3,690 kg), versus 7,099–9,121 lb (3,220–4,137 kg) for shipping weight. That is roughly 1,036 lb (14.6%) more than shipping weight. Operating weight is generally the more useful starting point when estimating a ready-to-use tractor.
How much does the Ford 6640 weigh with ballast?
The published ballasted weight is 10,368 lb (4,703 kg). That is up to 3,269 lb (46%) above the lightest published configuration. Ballast can therefore change the practical hauling and ground-pressure picture substantially on this model.
Is the Ford 6640 a heavy utility tractor?
Yes. The representative figure sits at about the 81st percentile, heavier than roughly 81% of the utility tractor peers. That puts it in the heavy range for this comparison. It is 2,872 lb heavier than the peer-group average of 5,263 lb.
How wide is the Ford 6640 for transport?
The maximum published tractor width is 80 in (6.7 ft). That is 22 in under 8.5 ft before allowing for a loader, duals, implements or other equipment that may increase transport width.
