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The Cat® C1.7 Industrial Diesel Engine is offered in the following ratings: 23.6 & 26.1 bkW (31.6 & 35 bhp) @ 2400 & 2600 rpm. These ratings meet EU Stage IIIA (U.S. EPA Tier 4 Interim equivalent) emission standards. Industries and applications powered by C1.7 engines include: Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Compactors/Rollers, Construction, Forestry, General Industrial, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Light Towers, Pumps, Trenchers, Turf and Landscaping and Underground Mining Equipment.
| Power Rating | |
| Maximum Power | 35 hp |
| Rated Speed | 2400 & 2600 rpm |
| Minimum Power | 31.6 hp |
| Emission Standards | |
| Emissions | U.S. EPA Tier 4 Interim Equivalent |
| Engine Dimensions - Approximate | |
| Length | 22.2 in |
| Width | 17.8 in |
| Height | 25.7 in |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 353 lb |
| General | |
| Engine Configuration | Inline 3, 4-Stroke-Cycle Diesel |
| Bore | 3.3 in |
| Stroke | 3.9 in |
| Displacement | 101.4 in³ |
| Compression Ratio | 23.0:1 |
| Aspiration | Naturally Aspirated (NA) |
| Combustion System | Indirect Injection |
| Rotation from Flywheel End | Counterclockwise |
| Aftertreatment | - |
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.
High Performance
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.
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.
Package Size
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
- 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
Standard Equipment:
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- Air Inlet System
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- Inlet manifold with choice of inlets.
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- Control System
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- Alternator 12 volt 40 amp
- Starter motor 12 volt
- Glow plug starting aid
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- Cooling System
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- Belt-driven coolant pump
- Coolant temperature switch
- Choice of cooling fans
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- Flywheel & Flywheel Housing
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- SAE No. 6 1/2 flywheel
- Choice of SAE No. 5 or standard backplate flywheel housing
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- Fuel System
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- Fuel injection pump
- Spin-on fuel filter
- Electronic Shut-off Solenoid (ESOS)
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- Lube System
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- Lube oil filter
- Lube oil pressure switch
- Lube oil sump
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- General
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- Cast iron, engine block
- Cast iron exhaust manifold--side outlet
- Cold start capability to -20° C (-4° F)
- Gradeability 35° continuous
- Paint: Caterpillar yellow, with optional colors available at request
