C3.6 for Tractors
The Cat® C3.6 agricultural tractor engine offers the perfect balance of compact size, reliability, and performance. This engine is offered in ratings ranging up to 90 kW (121 hp) @ 2400 rpm.

The C3.6 is designed to meet the specific requirements of agricultural tractors including structural sump with integral twin balancer shafts.

The C3.6 meets UN ECE R96 Stage IIIA and Brazil MAR-1 emission standards.
Maximum Power
121 HP
Maximum Torque
369 lb-ft @ 1500 rpm
Rated Speed
2200-2400 rpm
DOWNLOAD TECHNICAL SPECIFICATIONS
Specification
Value
Maximum Power
121 HP
Maximum Torque
369 lb-ft @ 1500 rpm
Rated Speed
2200-2400 rpm
Minimum Power
74 HP
Specification
Value
Emissions
UN ECE R96 Stage IIIA, Brazil MAR-1
Specification
Value
Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Bore
3.9 in
Stroke
4.7 in
Displacement
220 in³
Compression Ratio
17.0:1
Aspiration
Turbocharged Aftercooled (TA)
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Aftertreatment
-
Specification
Value
Length
26.8 in
Width
22.2 in
Height
33.7 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
840 lb
Meets R96 Stage IIIA and Brazil MAR-1
World-class manufacturing capability and processes coupled with proven technologies and extensive field validation assure reliability and durability in tough nonroad applications.
Leading edge fuel systems and turbocharging provide high torque even at lower engine speeds
Industry leading range of factory configurable ratings and options to enable a solution for your machine.
Worldwide service delivers ease of maintenance and simplifies the servicing routine. Capable of optimal oil change intervals of 500 hours. The S•O•S℠ program is available from your Cat dealer to determine oil change intervals and provide optimal performance.
Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.
  • Scheduled maintenance, including SOS℠ sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program