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
154 HP
VS
+13.6%
175 HP
Quick Takeaways:⚡ Rated Power: International Harvester 4166 (+21.0 HP / +13.6%)🛢️ Displacement: Oliver 2455 (+1.2 L)
Model overview
3 selected
Engine and power
Rated horsepower
154 HP
175 HP
960 HP+785.0 HP
PTO horsepower
139 HP
150.63 HP+11.6 HP
—
Engine displacement
8.3 L
7.1 L
24.1 L+15.8 L
Cylinders
6 cylinders
6 cylinders
16 cylinders
Fuel type
Diesel
Diesel
Diesel
Transmission and drive
Drive system
4WD
4WD
4WD
Transmission type
—
Sliding gear (8F/4R)
Power shift (6F/1R)
Forward / reverse gears
10 fwd / 2 rev
8 fwd / 4 rev
6 fwd / 1 rev
Weight and capacities
Operating weight
7,847 kg
7,212 kg
43,092 kg+35,245 kg
Hydraulic total flow
—
—
65 GPM★ Leader
ASABE Field Implement Capacity Matchup
Max Subsoiler (12" depth)
3 Shanks
4 Shanks
24 Shanks+20 Shanks
Max Disk Harrow (8 mph)
10 ft (3 m)
11 ft (3 m)
62 ft (19 m)+51 ft
Max Air Seeder (5.5 mph)
16 ft (5 m)
19 ft (6 m)
124 ft (38 m)+105 ft
Target Ballast & Balance
Heavy-draft standard (30/70 for 2WD, 40/60 for MFWD, 55/45 for 4WD)
20,790 lbs
40% Front / 60% Rear
21,465 lbs(Est. Cap)
40% Front / 60% Rear
115,200 lbs
55% Front / 45% Rear
Est. Fuel Burn (75% Load)
5.5 gal/h (20.8 L/h)
6.3 gal/h (23.8 L/h)
34.6 gal/h (131 L/h)
Provenance and serial decoders
Production years
1969–1970
1972–1976
1978
Assembly factory
Charles City, Iowa, USA
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—
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