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

ARCHIVE SPEC2WD
40HP
TH
Theiman
Archived Specification Record
Thieman Harvester

Theiman

3.3 L Engine
Full Technical Profile →
VS
+12.5%
International Harvester T-9
45 HP
International Harvester

T-9

5.5 L Engine+5.0 HP Lead
Full Technical Profile →
Quick Takeaways:⚡ Rated Power: International Harvester T-9 (+5.0 HP / +12.5%)🛢️ Displacement: International Harvester T-9 (+2.2 L)
Model overview
3 selected
ARCHIVE SPEC2WD
40HP
TH
Theiman
Archived Specification Record
Thieman Harvester

Theiman

Catalog archive
Open model sources
International Harvester T-9
📸 Photo
45 HP
International Harvester

T-9

Catalog archive
Open model sources
CaseIH Steiger 785 Quadtrac
📸 Photo
785 HP
CaseIH

Steiger 785 Quadtrac

Catalog archive
Open model sources
Engine and power
Rated horsepower
40 HP
45 HP
785 HP+740.0 HP
PTO horsepower
—
—
529.6 HP★ Leader
Engine displacement
3.3 L
5.5 L
15.9 L+10.4 L
Cylinders
4 cylinders
4 cylinders
6 cylinders
Fuel type
Gasoline
Gasoline
Diesel
Transmission and drive
Drive system
2WD
Tracks (Crawler)
Tracks (4-Track)
Transmission type
Gear (3F/1R)
Gear (5F/1R)
Full power shift (17F/2R)
Forward / reverse gears
3 fwd / 1 rev
5 fwd / 1 rev
17 fwd / 2 rev
Weight and capacities
Operating weight
—
—
27,760 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)
5,800 lbs
30% Front / 70% Rear
4,725 lbs
50% Front / 50% Rear
76,500 lbs(Est. Cap)
50% Front / 50% Rear
Est. Fuel Burn (75% Load)
1.4 gal/h (5.3 L/h)
1.6 gal/h (6.1 L/h)
28.3 gal/h (107.1 L/h)
Provenance and serial decoders
Production years
1936–1942
1940–1956
2025
Assembly factory
—
—
Fargo, North Dakota, USA
Serial decoder support
Not indexed
Not indexed