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

Hart-Parr 20-40
44 HP
VS
+13.6%
Twin City 25-45
50 HP
Twin City

25-45

14.8 L Engine+6.0 HP Lead
Full Technical Profile →
Quick Takeaways:⚡ Rated Power: Twin City 25-45 (+6.0 HP / +13.6%)🛢️ Displacement: Twin City 25-45 (+14.8 L)
Model overview
2 selected
Hart-Parr 20-40
📸 Photo
44 HP
Hart-Parr

20-40

Catalog archive
Open model sources
Twin City 25-45
📸 Photo
50 HP
Twin City

25-45

Catalog archive
Open model sources
Engine and power
Rated horsepower
44 HP
50 HP+6.0 HP
PTO horsepower
—
—
Engine displacement
—
14.8 L★ Largest
Cylinders
—
4 cylinders
Fuel type
Unknown
Kerosene
Transmission and drive
Drive system
Unknown
2WD
Transmission type
—
Gear (2F/1R)
Forward / reverse gears
— fwd / — rev
2 fwd / 1 rev
Weight and capacities
Operating weight
—
7,030 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)
6,380 lbs
30% Front / 70% Rear
7,250 lbs
30% Front / 70% Rear
Est. Fuel Burn (75% Load)
1.6 gal/h (6.1 L/h)
1.8 gal/h (6.8 L/h)
Provenance and serial decoders
Production years
1912–1914
1916–1920
Assembly factory
—
—
Serial decoder support
Not indexed
Not indexed