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
830 HP+764.0 HP
PTO horsepower
52.6 HP
—
335 HP+282.4 HP
Engine displacement
6.3 L
3.5 L
18 L+11.7 L
Cylinders
6 cylinders
3 cylinders
6 cylinders
Fuel type
Gasoline
Diesel
Diesel
Transmission and drive
Drive system
Tracks (Crawler)
Tracks (Crawler)
Tracks (4-Track)
Transmission type
Gear (3F/1R)
Sliding gear (4F/1R)
Full power shift (21F/11R)
Forward / reverse gears
3 fwd / 1 rev
4 fwd / 1 rev
21 fwd / 11 rev
Weight and capacities
Operating weight
5,216 kg
6,350 kg
33,566 kg+27,216 kg
Hydraulic total flow
—
—
—
ASABE Field Implement Capacity Matchup
Max Subsoiler (12" depth)
1 Shanks
1 Shanks
21 Shanks+20 Shanks
Max Disk Harrow (8 mph)
6 ft (2 m)
6 ft (2 m)
54 ft (16 m)+48 ft
Max Air Seeder (5.5 mph)
15 ft (5 m)
15 ft (5 m)
106 ft (32 m)+91 ft
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
84,000 lbs(OEM Cap)
50% Front / 50% Rear
Est. Fuel Burn (75% Load)
2.1 gal/h (7.9 L/h)
2.4 gal/h (9.1 L/h)
29.9 gal/h (113.2 L/h)
Provenance and serial decoders
Production years
1937–1942
1940–1950
2025
Assembly factory
—
West Allis, Wisconsin, USA
—
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