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
40 HP
VS
+10.0%
44 HP
Quick Takeaways:⚡ Rated Power: Hart-Parr 20-40 (+4.0 HP / +10.0%)🛢️ Displacement: Aultman & Taylor 18-36 (+10.3 L)
Model overview
3 selected
Engine and power
Rated horsepower
40 HP
44 HP
960 HP+916.0 HP
PTO horsepower
—
—
—
Engine displacement
10.3 L
—
24.1 L+13.8 L
Cylinders
4 cylinders
—
16 cylinders
Fuel type
Gasoline
Unknown
Diesel
Transmission and drive
Drive system
2WD
Unknown
4WD
Transmission type
—
—
Power shift (6F/1R)
Forward / reverse gears
— fwd / — rev
— fwd / — rev
6 fwd / 1 rev
Weight and capacities
Operating weight
—
—
43,092 kg
Hydraulic total flow
—
—
65 GPM★ Leader
ASABE Field Implement Capacity Matchup
Max Subsoiler (12" depth)
1 Shanks
1 Shanks
24 Shanks+23 Shanks
Max Disk Harrow (8 mph)
6 ft (2 m)
6 ft (2 m)
62 ft (19 m)+56 ft
Max Air Seeder (5.5 mph)
15 ft (5 m)
15 ft (5 m)
124 ft (38 m)+109 ft
Target Ballast & Balance
Heavy-draft standard (30/70 for 2WD, 40/60 for MFWD, 55/45 for 4WD)
5,800 lbs
30% Front / 70% Rear
6,380 lbs
30% Front / 70% Rear
115,200 lbs
55% Front / 45% Rear
Est. Fuel Burn (75% Load)
1.4 gal/h (5.3 L/h)
1.6 gal/h (6.1 L/h)
34.6 gal/h (131 L/h)
Provenance and serial decoders
Production years
1915–1918
1912–1914
1978
Assembly factory
—
—
—
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