Cat® C1.5 Diesel Engine

Overview
Engine Configuration
In-Line 3, 4-Stroke-Cycle Diesel
Cooling System Capacity
2.6 L (2.75 qt)
Lube System (refill)
6 L (6.3 qt)

General

Engine Configuration
In-Line 3, 4-Stroke-Cycle Diesel
Cooling System Capacity
2.6 L (2.75 qt)
Lube System (refill)
6 L (6.3 qt)
Bore
3 in
Stroke
4 in
Displacement
91 in³
Aspiration
Naturally Aspirated (NA)
Compression Ratio
22.5:1
Combustion System
Indirect Injection
Rotation from Flywheel End
Counterclockwise
Engine Configuration
In-Line 3
Bore
84 mm (3.3 in)
Stroke
90 mm (3.5 in)
Displacement
1.496 L (91 in³)
Cooling System - Capacity
2.6 L (2.75 qt)
Lube System - Refill
6 L (6.3 qt)
Aftertreatment
-

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Length
572 mm (22.5 in)
Width
453-512 mm (17.8-20.2 in)
Height
643 mm (25.3 in)
Weight - Net Dry (Basic Operating Engine Without Optional Attachments)
149-156.5 kg (328.5-345 lb)

Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)

Length
449 mm, 17.6 in (Tier 4 Final only)
Weight
13 kg (28.7 lb) (Tier 4 Final, >19 kW/25 hp only)
Diameter
170 mm (6.7 in) (Tier 4 Final only)

Power Rating

Minimum Power
25 HP
Maximum Power
25 HP
Rated Speed
2200/2800 rpm
Maximum Torque
63 lb-ft @ 1800 rpm

Emission Standards

Emissions
U.S. EPA Tier 4 Final

Engine Dimensions - Approximate

Height
643 mm (25.3 in)
Length
572 mm (22.5 in)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
148 kg (327 lb)
Width
453 mm (17.9 in)
Width
18 in
Length
23 in
Height
25 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
327 lb

Aftertreatment Dimensions - Approximate

Diameter
170 mm (6.7 in)
Length
449 mm, 17.6 in
Weight
13 kg (28.7 lb) (Tier 4 Final, >19 kW/25 hp only)

Reliable, Quiet and Durable Power

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

High Performance

Substantial torque rise delivers impressive performance throughout a wide speed range while maintaining low operating costs.

Substantial torque rise delivers impressive performance throughout a wide speed range while maintaining low operating costs.

Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

Broad Application Range

Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

Package Size

Ultra-compact package size ensures ease of installation as well as exceptional power density.

Ultra-compact package size ensures ease of installation as well as exceptional power density.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including SOSSM sample
  • Cutsomer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program
  • Scheduled maintenance, including SOSSM sample
  • Cutsomer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program
  • Air Inlet System
    • Inlet manifold with choice of inlets.
  • Control System
    • Alternator 12 volt 65 amp
    • Starter motor 12 volt
    • Glow plug starting aid
    • Tier 4 Final: Alternator 12V 85 amp
  • Cooling System
    • Belt-driven coolant pump
    • Coolant temperature switch
    • Choice of cooling fans
  • Flywheel & Flywheel Housing
    • Naturally Aspirated: SAE No. 7 1/2 flywheel
    • Naturally Aspirated: Choice of SAE No. 4 or standard backplate flywheel housing
  • Fuel System
    • Fuel injection pump
    • Spin-on fuel filter
    • Electronic Shut-off Solenoid (ESOS)
  • Lube System
    • Alternative oil fillers
    • Spin-on lube oil filter
    • Lube oil pressure switch
    • Lube oil sump
  • Power Take Off (pto)
    • Provision for Power Take Off (PTO)
  • General
    • Cast iron, engine block
    • Cast iron exhaust manifold--side outlet
    • Cold start capability to -20° C (-4° F)
    • Gradeability 35° continuous
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