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

M-R-S A-80
134 HP
M-R-S

A-80

4.6 L Engine
Full Technical Profile →
VS
+474.6%
Deere 9RX 770
770 HP
Deere

9RX 770

18 L Engine+636.0 HP Lead
Full Technical Profile →
Quick Takeaways:⚡ Rated Power: Deere 9RX 770 (+636.0 HP / +474.6%)🛢️ Displacement: Deere 9RX 770 (+13.4 L)
Model overview
2 selected
M-R-S A-80
📸 Photo
134 HP
M-R-S

A-80

Catalog archive
Open model sources
Deere 9RX 770
📸 Photo
770 HP
Deere

9RX 770

Catalog archive
Open model sources
Engine and power
Rated horsepower
134 HP
770 HP+636.0 HP
PTO horsepower
—
335 HP★ Leader
Engine displacement
4.6 L
18 L+13.4 L
Cylinders
4 cylinders
6 cylinders
Fuel type
Diesel
Diesel
Transmission and drive
Drive system
4WD
Tracks (4-Track)
Transmission type
—
Full power shift (21F/11R)
Forward / reverse gears
10 fwd / 2 rev
21 fwd / 11 rev
Weight and capacities
Operating weight
7,166 kg
33,566 kg+26,400 kg
Hydraulic total flow
—
—
ASABE Field Implement Capacity Matchup
Max Subsoiler (12" depth)
3 Shanks
19 Shanks+16 Shanks
Max Disk Harrow (8 mph)
9 ft (3 m)
50 ft (15 m)+41 ft
Max Air Seeder (5.5 mph)
15 ft (5 m)
98 ft (30 m)+83 ft
Target Ballast & Balance
Heavy-draft standard (30/70 for 2WD, 40/60 for MFWD, 55/45 for 4WD)
18,090 lbs
40% Front / 60% Rear
84,000 lbs(OEM Cap)
50% Front / 50% Rear
Est. Fuel Burn (75% Load)
4.8 gal/h (18.2 L/h)
27.7 gal/h (104.9 L/h)
Provenance and serial decoders
Production years
1964–1967
2025
Assembly factory
—
—
Serial decoder support
Not indexed
Not indexed