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Caterpillar AG6 vs Caterpillar D6D SA Special Application

Verdict: Caterpillar AG6 vs Caterpillar D6D SA Special Application

The Caterpillar AG6 and the Caterpillar D6D SA Special Application are both tractors — here is how they stack up on the figures that matter. Caterpillar AG6 leads on rated power with 240 hp against 165 hp. Caterpillar AG6 is the lighter machine (14,787 kg vs 28,500 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Caterpillar AG6 is the newer design (1986 vs 1977). In short: choose the Caterpillar AG6 for outright pulling power, or the Caterpillar D6D SA Special Application if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Fit & specs
Caterpillar AG6 Tractor
Caterpillar
62
Fit score
Clear
Caterpillar D6D SA Special Application Tractor
Caterpillar
85
Fit score
Best match
Clear
Rated power
240 hp
165 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
CaterpillarReference
CaterpillarReference
liquid-cooledReference
liquid-cooled inlineReference
Drive
crawlerReference
crawlerReference
Steering
hydraulic wet disc clutchesReference
Engine
Engine
179.0 kWReference
Drawbar (claimed)
140.2 kWReference
93.2 kWReference
Displacement
10.5 LReference
10.5 LReference
Bore/Stroke
121 x 152 mmReference
121 x 152 mmReference
Power
179.0 kWReference
Fuel system
direct injectionReference
direct injectionReference
Air cleaner
dry dual elementReference
Rated RPM
2200Reference
2000Reference
Starter
electricReference
electricReference
Starter volts
24Reference
24Reference
Oil capacity
27.4 LReference
98.4 LReference
Coolant capacity
45.4 LReference
37.9 LReference
Fuel tank
435.3 LReference
Engine (net)
123.0 kWReference
Power (net)
123.0 kWReference
Transmission
Gears
6 forward and reverseReference
6 forward and 4 reverseReference
Clutch
wet discReference
Capacities
Fuel
624.5 LReference
PTO & Hydraulics
Hydraulic system
66.2 LReference
Type
sliding gearReference
gearReference
Capacity
66.2 LReference
Pressure
162.0 barReference
155.1 barReference
Valves
5Reference
Pump flow
99.9 lpmReference
90.8 lpmReference
Dimensions
Weight
14787 kgReference
28500 to 29000 poundsReference
Length
513 cmReference
396 cmReference
Clearance (drawbar)
33 cmReference
Gauge
187 cmReference
187 cmReference
Shipping weight
12927 kgReference
Operating weight
13154 kgReference
Electrical
Charging system
alternatorReference
alternatorReference
Charging amps
50Reference
50Reference
Batteries
2Reference
Battery volts
12Reference
Caterpillar AG6 Tracks
Width
248 cmReference
238 cmReference
Caterpillar AG6 Height
Hood
204 cmReference
190 cmReference
Cab
317 cmReference
314 cmReference
Exhaust
347 cmReference
313 cmReference
Caterpillar D6D SA Tracks
Length on ground
236 cmReference
Area on ground
2.4 m²Reference
Caterpillar D6D SA Height
ROPS
287 cmReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.

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