TractorDex
TractorDexIndex
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

Avery 25-50
55 HP
Avery

25-50

17.4 L Engine
Full Technical Profile β†’
VS
Hart-Parr 28-50
55 HP
Hart-Parr

28-50

11.1 L Engine
Full Technical Profile β†’
Quick Takeaways:πŸ›’οΈ Displacement: Avery 25-50 (+6.3 L)
Model overview
3 selected
Avery 25-50
πŸ“Έ Photo
55 HP
Avery

25-50

Catalog archive
Open model sources
Hart-Parr 28-50
πŸ“Έ Photo
55 HP
Hart-Parr

28-50

Catalog archive
Open model sources
Big Bud 16V-747
πŸ“Έ Photo
960 HP
Big Bud

16V-747

Catalog archive
Open model sources
Engine and power
Rated horsepower
55 HP
55 HP
960 HP+905.0 HP
PTO horsepower
β€”
β€”
β€”
Engine displacement
17.4 L
11.1 L
24.1 L+6.7 L
Cylinders
4 cylinders
4 cylinders
16 cylinders
Fuel type
Kerosene
Gasoline
Diesel
Transmission and drive
Drive system
2WD
2WD
4WD
Transmission type
Unsynchronized gear (2F/1R)
Gear (2F/1R)
Power shift (6F/1R)
Forward / reverse gears
2 fwd / 1 rev
2 fwd / 1 rev
6 fwd / 1 rev
Weight and capacities
Operating weight
5,670 kg
3,900 kg
43,092 kg+37,422 kg
Hydraulic total flow
β€”
β€”
65 GPMβ˜… 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)
7,975 lbs
30% Front / 70% Rear
7,975 lbs
30% Front / 70% Rear
115,200 lbs
55% Front / 45% Rear
Est. Fuel Burn (75% Load)
2 gal/h (7.6 L/h)
2 gal/h (7.6 L/h)
34.6 gal/h (131 L/h)
Provenance and serial decoders
Production years
1916–1923
1927–1930
1978
Assembly factory
β€”
β€”
β€”
Serial decoder support
Not indexed