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
65 HP
VS
+1.5%
66 HP
Quick Takeaways:⚡ Rated Power: Allis Chalmers HD7 (+1.0 HP / +1.5%)🛢️ Displacement: Hurlimann D 500 (+2.0 L)
Model overview
3 selected
Engine and power
Rated horsepower
65 HP
66 HP+0.0 HP
66 HP+0.0 HP
PTO horsepower
—
—
—
Engine displacement
5.5 L
3.5 L
12.8 L+7.3 L
Cylinders
4 cylinders
3 cylinders
1 cylinders
Fuel type
Diesel
Diesel
Diesel
Transmission and drive
Drive system
2WD
Tracks (Crawler)
2WD
Transmission type
Gear (5F/1R)
Sliding gear (4F/1R)
Gear (5F/1R)
Forward / reverse gears
5 fwd / 1 rev
4 fwd / 1 rev
5 fwd / 1 rev
Weight and capacities
Operating weight
3,500 kg
6,350 kg+2,850 kg
3,299 kg
Hydraulic total flow
—
—
—
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)
9,425 lbs
30% Front / 70% Rear
6,930 lbs
50% Front / 50% Rear
9,570 lbs
30% Front / 70% Rear
Est. Fuel Burn (75% Load)
2.3 gal/h (8.7 L/h)
2.4 gal/h (9.1 L/h)
2.4 gal/h (9.1 L/h)
Provenance and serial decoders
Production years
1947–1956
1940–1950
1951–1956
Assembly factory
—
West Allis, Wisconsin, USA
—
Curated High-Draft Showdowns
770 - 960 HP Mega-DuelVS
World-Record Titans
World’s Largest vs Modern Quad-Track
16V-747
9RX 770
960 HP vs 770 HPCompare Now →
700+ HP High-DraftVS
Tracked 4WD Titans
Articulated Four-Track Showdown
9RX 770
Steiger 715
770 HP vs 715 HPCompare Now →
340 - 450 HPVS
Row-Crop Flagships
Heavy Field Draft & Precision Planting
8R 410
Magnum 340
443 HP vs 340 HPCompare Now →
500 - 524 HPVS
German 500+ HP Titans
Stepless High-Traction System Tractors
Xerion 5000
1050 Vario
524 HP vs 500 HPCompare Now →
300 - 315 HPVS
European Contractor Flagships
300+ HP High-Speed & Tillage Duel
728 Vario
T7.315
303 HP vs 313 HPCompare Now →
Historic American Row-CropVS
1970s Muscle Legends
Sound-Gard Green vs Turbo Red Duel
4440
1466 Turbo
153 HP vs 147 HPCompare Now →
Historic MuscleVS
Golden Age Classics
Historic American Row-Crop Duel
4020 Diesel
1066 Turbo
101 HP vs 140 HPCompare Now →