Multi-model comparison
Side-by-side tractor comparison
Compare technical specifications, horsepower ratings, hydraulic capacities, and dimensions across all tractor models.
Head-to-Head Arena Spotlight
Direct technical match-up between flagship models
58 HP
VS
+13.8%
66 HP
Quick Takeaways:⚡ Rated Power: Allis Chalmers HD7 (+8.0 HP / +13.8%)🛢️ Displacement: Cletrac CG (+2.8 L)
Model overview
3 selected
Engine and power
Rated horsepower
58 HP
66 HP+2.0 HP
64 HP
PTO horsepower
52.6 HP★ Leader
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Engine displacement
6.3 L
3.5 L
6.6 L+0.3 L
Cylinders
6 cylinders
3 cylinders
4 cylinders
Fuel type
Gasoline
Diesel
Gasoline
Transmission and drive
Drive system
Tracks (Crawler)
Tracks (Crawler)
2WD
Transmission type
Gear (3F/1R)
Sliding gear (4F/1R)
Unsynchronized gear (4F/1R)
Forward / reverse gears
3 fwd / 1 rev
4 fwd / 1 rev
4 fwd / 1 rev
Weight and capacities
Operating weight
5,216 kg
6,350 kg+1,134 kg
3,408 kg
Hydraulic total flow
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ASABE Field Implement Capacity Matchup
Max Subsoiler (12" depth)
1 Shanks0
1 Shanks0
1 Shanks0
Max Disk Harrow (8 mph)
6 ft (2 m)0
6 ft (2 m)0
6 ft (2 m)0
Max Air Seeder (5.5 mph)
15 ft (5 m)0
15 ft (5 m)0
15 ft (5 m)0
Target Ballast & Balance
Heavy-draft standard (30/70 for 2WD, 40/60 for MFWD, 55/45 for 4WD)
6,090 lbs
50% Front / 50% Rear
6,930 lbs
50% Front / 50% Rear
9,280 lbs
30% Front / 70% Rear
Est. Fuel Burn (75% Load)
2.1 gal/h (7.9 L/h)
2.4 gal/h (9.1 L/h)
2.3 gal/h (8.7 L/h)
Provenance and serial decoders
Production years
1937–1942
1940–1950
1940–1953
Assembly factory
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West Allis, Wisconsin, USA
Racine, Wisconsin, USA
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