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
50 HP
VS
+10.0%
55 HP
Quick Takeaways:⚡ Rated Power: Hart-Parr 28-50 (+5.0 HP / +10.0%)🛢️ Displacement: Hart-Parr 28-50 (+0.6 L)
Model overview
3 selected
Engine and power
Rated horsepower
50 HP
55 HP
785 HP+730.0 HP
PTO horsepower
—
—
529.6 HP★ Leader
Engine displacement
10.5 L
11.1 L
15.9 L+4.8 L
Cylinders
4 cylinders
4 cylinders
6 cylinders
Fuel type
Kerosene
Gasoline
Diesel
Transmission and drive
Drive system
2WD
2WD
Tracks (4-Track)
Transmission type
Gear (2F/1R)
Gear (2F/1R)
Full power shift (17F/2R)
Forward / reverse gears
2 fwd / 1 rev
2 fwd / 1 rev
17 fwd / 2 rev
Weight and capacities
Operating weight
4,565 kg
3,900 kg
27,760 kg+23,195 kg
Hydraulic total flow
—
—
—
ASABE Field Implement Capacity Matchup
Max Subsoiler (12" depth)
1 Shanks
1 Shanks
19 Shanks+18 Shanks
Max Disk Harrow (8 mph)
6 ft (2 m)
6 ft (2 m)
51 ft (16 m)+45 ft
Max Air Seeder (5.5 mph)
15 ft (5 m)
15 ft (5 m)
100 ft (30 m)+85 ft
Target Ballast & Balance
Heavy-draft standard (30/70 for 2WD, 40/60 for MFWD, 55/45 for 4WD)
7,250 lbs
30% Front / 70% Rear
7,975 lbs
30% Front / 70% Rear
76,500 lbs(Est. Cap)
50% Front / 50% Rear
Est. Fuel Burn (75% Load)
1.8 gal/h (6.8 L/h)
2 gal/h (7.6 L/h)
28.3 gal/h (107.1 L/h)
Provenance and serial decoders
Production years
1924–1927
1927–1930
2025
Assembly factory
Racine, Wisconsin, USA
—
Fargo, North Dakota, USA
Curated High-Draft Showdowns
770 - 960 HP Mega-DuelVS
World-Record Titans
World’s Largest vs Modern Quad-Track
16V-747
9RX 770
960 HP vs 770 HPCompare Now →
700+ HP High-DraftVS
Tracked 4WD Titans
Articulated Four-Track Showdown
9RX 770
Steiger 715
770 HP vs 715 HPCompare Now →
340 - 450 HPVS
Row-Crop Flagships
Heavy Field Draft & Precision Planting
8R 410
Magnum 340
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500 - 524 HPVS
German 500+ HP Titans
Stepless High-Traction System Tractors
Xerion 5000
1050 Vario
524 HP vs 500 HPCompare Now →
300 - 315 HPVS
European Contractor Flagships
300+ HP High-Speed & Tillage Duel
728 Vario
T7.315
303 HP vs 313 HPCompare Now →
Historic American Row-CropVS
1970s Muscle Legends
Sound-Gard Green vs Turbo Red Duel
4440
1466 Turbo
153 HP vs 147 HPCompare Now →
Historic MuscleVS
Golden Age Classics
Historic American Row-Crop Duel
4020 Diesel
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101 HP vs 140 HPCompare Now →