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

Deere 9R 640
681.2 HP
Deere

9R 640

13.6 L Engine
Full Technical Profile →
VS
+13.0%
Deere 9RX 770
770 HP
Deere

9RX 770

18 L Engine+88.8 HP Lead
Full Technical Profile →
Quick Takeaways:⚡ Rated Power: Deere 9RX 770 (+88.8 HP / +13.0%)🛢️ Displacement: Deere 9RX 770 (+4.4 L)
Model overview
2 selected
Deere 9R 640
📸 Photo
681.2 HP
Deere

9R 640

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

9RX 770

Catalog archive
Open model sources
Engine and power
Rated horsepower
681.2 HP
770 HP+88.8 HP
PTO horsepower
335 HP+0.0 HP
335 HP+0.0 HP
Engine displacement
13.6 L
18 L+4.4 L
Cylinders
6 cylinders
6 cylinders
Fuel type
Diesel
Diesel
Transmission and drive
Drive system
4WD
Tracks (4-Track)
Transmission type
Full power shift (18F/6R)
Full power shift (21F/11R)
Forward / reverse gears
18 fwd / 6 rev
21 fwd / 11 rev
Weight and capacities
Operating weight
21,174 kg
33,566 kg+12,392 kg
Hydraulic total flow
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ASABE Field Implement Capacity Matchup
Max Subsoiler (12" depth)
17 Shanks
19 Shanks+2 Shanks
Max Disk Harrow (8 mph)
44 ft (13 m)
50 ft (15 m)+6 ft
Max Air Seeder (5.5 mph)
87 ft (27 m)
98 ft (30 m)+11 ft
Target Ballast & Balance
Heavy-draft standard (30/70 for 2WD, 40/60 for MFWD, 55/45 for 4WD)
60,684 lbs(Est. Cap)
55% Front / 45% Rear
84,000 lbs(OEM Cap)
50% Front / 50% Rear
Est. Fuel Burn (75% Load)
24.5 gal/h (92.7 L/h)
27.7 gal/h (104.9 L/h)
Provenance and serial decoders
Production years
2021
2025
Assembly factory
Waterloo, Iowa, USA
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Serial decoder support
Not indexed
Not indexed