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 →
VS
Hart-Parr 28-50
55 HP
Hart-Parr

28-50

11.1 L Engine
Full Technical Profile →
Quick Takeaways:🛢️ Displacement: Avery 25-50 (+6.3 L)
Model overview
2 selected
Avery 25-50
📸 Photo
55 HP
Avery

25-50

Catalog archive
Open model sources
Hart-Parr 28-50
📸 Photo
55 HP
Hart-Parr

28-50

Catalog archive
Open model sources
Engine and power
Rated horsepower
55 HP+0.0 HP
55 HP+0.0 HP
PTO horsepower
—
—
Engine displacement
17.4 L+6.3 L
11.1 L
Cylinders
4 cylinders
4 cylinders
Fuel type
Kerosene
Gasoline
Transmission and drive
Drive system
2WD
2WD
Transmission type
Unsynchronized gear (2F/1R)
Gear (2F/1R)
Forward / reverse gears
2 fwd / 1 rev
2 fwd / 1 rev
Weight and capacities
Operating weight
5,670 kg+1,770 kg
3,900 kg
Hydraulic total flow
—
—
ASABE Field Implement Capacity Matchup
Max Subsoiler (12" depth)
1 Shanks0
1 Shanks0
Max Disk Harrow (8 mph)
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
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
Est. Fuel Burn (75% Load)
2 gal/h (7.6 L/h)
2 gal/h (7.6 L/h)
Provenance and serial decoders
Production years
1916–1923
1927–1930
Assembly factory
—
—
Serial decoder support
Not indexed