The Massey Ferguson 3645 tractor weighs 5,071 lb (2,300 kg) using its published 2WD ROPS Shipping weight. Other useful published figures are 12,500 lb (Weight) and 6,174 lb (2WD cab Shipping). That places it around the 55th percentile among comparable utility tractors, close to the middle of its peer group.
The published Massey Ferguson 3645 weight is 5,071–12,500 lb (2,300–5,670 kg). The primary figure used for comparisons is 5,071 lb (2,300 kg), listed as 2WD ROPS Shipping. The published configurations span 7,429 lb, a 146.5% difference from the lightest listed setup. Multiple TractorData model records with the same model name are consolidated here so the page covers the listed production versions rather than creating competing pages.
This page consolidates 2 published records for the same Massey Ferguson 3645 model name. Weight variants retain their listed production years so differences between versions are visible rather than being silently merged.
Tractor-weight benchmark
How this weight compares
Utility Tractor peers · 1,294 tractors in the benchmark.
Representative published weight
Average
5,071 lb
Low1,537 lb
This model5,071 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 weight5,071–12,500 lb (2,300–5,670 kg)
Overall weight bandMidweight
Tractor typeUtility Tractor
Primary horsepower91 hp / 67.9 kW
Max length148 in (375 cm)
Max width76 in (193 cm)
Overview
Model information
Manufacturer
Massey Ferguson
Model
3645
Category
Farm tractor
Model years
1990 – 1995; 2007 – 2012
Tractor type
Utility Tractor
Published weight variants
5
Published configurations
Weight variants
Shipping, operating, ballasted and drivetrain/configuration weights are kept separate when the source publishes them separately.
Years
Weight type
Configuration
Weight
Metric
US tons
Variant / note
1990 – 1995
Weight
—
12,500 lb
5,670 kg
6.25
—
2007 – 2012
2WD ROPS Shipping
—
5,071 lb
2,300 kg
2.54
—
2007 – 2012
2WD cab Shipping
—
6,174 lb
2,800 kg
3.09
—
2007 – 2012
4WD ROPS Shipping
—
5,512 lb
2,500 kg
2.76
—
2007 – 2012
4WD cab Shipping
—
7,056 lb
3,200 kg
3.53
—
Configuration effect
How configuration changes the weight
7,429 lbLightest to heaviest · 146.5% spread across published variants
Dimensions, power & hauling
Technical details
Dimensions
Wheelbase81.9 in (208 cm)
Length148 in (375 cm)
Width76 in (193 cm)
Height101.18 in (256 cm)
Power & weight ratios
Primary power91 hp (67.9 kW)
Power basisEngine (gross)
Weight per horsepower55.7 lb/hp
Weight per foot of length411.2 lb/ft
Wheelbase / length55.3%
Transport snapshot
Primary published weight5,071 lb (2,300 kg)
Maximum published weight12,500 lb (5,670 kg)
Maximum US-ton equivalent6.25 US tons
Maximum published width76 in (193 cm)
Published width over 102 inNo
Weight context
Weight range5,071–12,500 lb (2,300–5,670 kg)
Primary weight basis2WD ROPS Shipping
Peer positionAverage among Utility Tractor peers · 55th percentile
Physical size classMid-size
For transport planning, the representative published tractor weight is about 5,071 lb (2.54 US tons); published configurations reach 12,500 lb (6.25 US tons); the widest published tractor dimension is 76 in (6.3 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
Massey Ferguson 263 (5071 lb)
Massey Ferguson 3625 (5071 lb)
Massey Ferguson 3635 (5071 lb)
Mahindra 2565 (5070 lb)
Mahindra 2665 (5070 lb)
Closest comparable tractors
International Harvester 733 (5203 lb)
International Harvester 533 (4938 lb)
Kubota M9540 (5095 lb, 95 hp)
Kubota M8540 (5005 lb, 84.6 hp)
John Deere 5520 (4809 lb, 89 hp)
Common questions
Massey Ferguson 3645 weight FAQ
How much does a Massey Ferguson 3645 weigh?
The Massey Ferguson 3645 weighs 5,071 lb (2,300 kg) using the published 2WD ROPS Shipping figure. Across the published configurations on this page, weight ranges from 5,071 to 12,500 lb (2,300 to 5,670 kg).
How much heavier is the 4WD Massey Ferguson 3645 than the 2WD model?
Published 2WD weight is 5,071–6,174 lb (2,300–2,800 kg), while published 4WD weight is 5,512–7,056 lb (2,500–3,201 kg). On a midpoint basis, the published 4WD configurations are about 662 lb heavier. Tires, transmission and other configuration differences can also affect the number.
Is the Massey Ferguson 3645 heavy or light for a utility tractor?
It is close to average for its peer group. The representative figure sits at about the 55th percentile, near the middle of the utility tractor peers. That puts it in the average range for this comparison. It is 192 lb lighter than the peer-group average of 5,263 lb.
How wide is the Massey Ferguson 3645 for transport?
The maximum published tractor width is 76 in (6.3 ft). That is 26 in under 8.5 ft before allowing for a loader, duals, implements or other equipment that may increase transport width.
Does the Massey Ferguson 3645 weigh more than 10,000 lb?
Some configurations do. The representative published weight is 5,071 lb, and the heaviest published configuration on this page is 12,500 lb (6.25 US tons). Any trailer calculation also needs the trailer itself plus fuel, ballast, attachments and other equipment.
What is the Massey Ferguson 3645 weight-to-horsepower ratio?
Using the page’s representative 5,071 lb weight and 91 hp power figure, the tractor carries about 55.7 lb per horsepower. A lower lb/hp number means less tractor mass for each horsepower; this is a comparison metric, not a traction or performance rating.
