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

Allis Chalmers 20-35
38 HP
Allis Chalmers

20-35

7.6 L Engine
Full Technical Profile →
VS
+2084.2%
Deere 9RX 830
830 HP
Deere

9RX 830

18 L Engine+792.0 HP Lead
Full Technical Profile →
Quick Takeaways:⚡ Rated Power: Deere 9RX 830 (+792.0 HP / +2084.2%)🛢️ Displacement: Deere 9RX 830 (+10.4 L)
Model overview
2 selected
Allis Chalmers 20-35
📸 Photo
38 HP
Allis Chalmers

20-35

Catalog archive
Open model sources
Deere 9RX 830
📸 Photo
830 HP
Deere

9RX 830

Catalog archive
Open model sources
Engine and power
Rated horsepower
38 HP
830 HP+792.0 HP
PTO horsepower
—
335 HP★ Leader
Engine displacement
7.6 L
18 L+10.4 L
Cylinders
4 cylinders
6 cylinders
Fuel type
Gasoline
Diesel
Transmission and drive
Drive system
2WD
Tracks (4-Track)
Transmission type
Unsynchronized gear (2F/1R)
Full power shift (21F/11R)
Forward / reverse gears
2 fwd / 1 rev
21 fwd / 11 rev
Weight and capacities
Operating weight
3,011 kg
33,566 kg+30,555 kg
Hydraulic total flow
—
—
ASABE Field Implement Capacity Matchup
Max Subsoiler (12" depth)
1 Shanks
21 Shanks+20 Shanks
Max Disk Harrow (8 mph)
6 ft (2 m)
54 ft (16 m)+48 ft
Max Air Seeder (5.5 mph)
15 ft (5 m)
106 ft (32 m)+91 ft
Target Ballast & Balance
Heavy-draft standard (30/70 for 2WD, 40/60 for MFWD, 55/45 for 4WD)
5,510 lbs
30% Front / 70% Rear
84,000 lbs(OEM Cap)
50% Front / 50% Rear
Est. Fuel Burn (75% Load)
1.4 gal/h (5.3 L/h)
29.9 gal/h (113.2 L/h)
Provenance and serial decoders
Production years
1922–1930
2025
Assembly factory
West Allis, Wisconsin, USA
—
Serial decoder support
Not indexed