The International Harvester 645 tractor weighs 8,160 lb (3,701 kg) using its primary published weight. That places it around the 82nd percentile among comparable utility tractors, heavier than about 82% of its peers. With 66 hp, the tractor carries about 123.6 lb of published weight per horsepower.
Tractor weight specifications
International Harvester · 645 · Tractor weight guide
The published International Harvester 645 weight is 8,160 lb (3,701 kg). The primary figure used for comparisons is 8,160 lb (3,701 kg), listed as Weight.
Tractor-weight benchmark
How this weight compares
Utility Tractor peers · 1,294 tractors in the benchmark.
Representative published weight
Heavy
8,160 lb
Low1,537 lb
This model8,160 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 weight8,160 lb (3,701 kg)
Overall weight bandHeavy
Tractor typeUtility Tractor
Primary horsepower66 hp / 49.2 kW
Max length138.6 in (352 cm)
Max width75.6 in (192 cm)
Overview
Model information
Manufacturer
International Harvester
Model
645
Category
Farm tractor
Model years
1980 – 1985
Tractor type
Utility Tractor
Published weight variants
1
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
Weight
—
8,160 lb
3,701 kg
4.08
—
Dimensions, power & hauling
Technical details
Dimensions
Length138.6 in (352 cm)
Width75.6 in (192 cm)
Height88.6 in (225 cm)
Power & weight ratios
Primary power66 hp (49.2 kW)
Power basisEngine
Weight per horsepower123.6 lb/hp
Weight per foot of length706.5 lb/ft
Transport snapshot
Primary published weight8,160 lb (3,701 kg)
Maximum published weight8,160 lb (3,701 kg)
Maximum US-ton equivalent4.08 US tons
Maximum published width75.6 in (192 cm)
Published width over 102 inNo
Weight context
Weight range8,160 lb (3,701 kg)
Primary weight basisWeight
Peer positionHeavy among Utility Tractor peers · 82nd percentile
Physical size classMid-size
For transport planning, the representative published tractor weight is about 8,160 lb (4.08 US tons); published configurations reach 8,160 lb (4.08 US tons); the widest published tractor dimension is 75.6 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
John Deere 5070M (8157 lb)
John Deere 5080M (8157 lb)
John Deere 5090M (8157 lb)
John Deere 5100M (8157 lb)
Massey Ferguson 5410 (8157 lb)
Closest comparable tractors
John Deere 5070M (8157 lb, 70 hp)
Case IH CX70 (8265 lb, 73 hp)
New Holland TL70 (7660 lb, 65 hp)
Massey Ferguson 4235 (8185 lb, 75 hp)
Massey Ferguson 4325 (7630 lb, 67 hp)
Common questions
International Harvester 645 weight FAQ
How much does an International Harvester 645 weigh?
The International Harvester 645 weighs 8,160 lb (3,701 kg) using the primary published weight figure.
Is the International Harvester 645 a heavy utility tractor?
Yes. The representative figure sits at about the 82nd percentile, heavier than roughly 82% of the utility tractor peers. That puts it in the heavy range for this comparison. It is 2,897 lb heavier than the peer-group average of 5,263 lb.
How wide is the International Harvester 645 for transport?
The maximum published tractor width is 75.6 in (6.3 ft). That is 26.4 in under 8.5 ft before allowing for a loader, duals, implements or other equipment that may increase transport width.
What is the International Harvester 645 weight-to-horsepower ratio?
Using the page’s representative 8,160 lb weight and 66 hp power figure, the tractor carries about 123.6 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.
How many tons does the International Harvester 645 weigh?
The representative published weight is about 4.08 US tons, while the full published range is 4.08 US tons. Loaded transport weight can be higher than the tractor specification.
