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

Caterpillar Thirty
40 HP
Caterpillar

Thirty

7.6 L Engine
Full Technical Profile →
VS
+10.0%
Advance-Rumely OilPull X 25/40
44 HP
Advance-Rumely

OilPull X 25/40

9.9 L Engine+4.0 HP Lead
Full Technical Profile →
Quick Takeaways:⚡ Rated Power: Advance-Rumely OilPull X 25/40 (+4.0 HP / +10.0%)🛢️ Displacement: Advance-Rumely OilPull X 25/40 (+2.3 L)
Model overview
2 selected
Caterpillar Thirty
📸 Photo
40 HP
Caterpillar

Thirty

Catalog archive
Open model sources
Advance-Rumely OilPull X 25/40
📸 Photo
44 HP
Advance-Rumely

OilPull X 25/40

Catalog archive
Open model sources
Engine and power
Rated horsepower
40 HP
44 HP+4.0 HP
PTO horsepower
—
—
Engine displacement
7.6 L
9.9 L+2.3 L
Cylinders
4 cylinders
2 cylinders
Fuel type
Gasoline
Kerosene
Transmission and drive
Drive system
Tracks (Crawler)
2WD
Transmission type
Gear (5F/1R)
Gear (3F/1R)
Forward / reverse gears
5 fwd / 1 rev
3 fwd / 1 rev
Weight and capacities
Operating weight
—
4,218 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)
4,200 lbs
50% Front / 50% Rear
6,380 lbs
30% Front / 70% Rear
Est. Fuel Burn (75% Load)
1.4 gal/h (5.3 L/h)
1.6 gal/h (6.1 L/h)
Provenance and serial decoders
Production years
1925–1938
1928–1930
Assembly factory
—
—
Serial decoder support
Not indexed