Caterpillar 3176 Engine for Sale | 7.2L Inline-6 Diesel Truck

Description

About the Caterpillar 3176 Engine (7.2L Inline-6 Diesel)

Need a replacement Caterpillar 3176 engine? Part Nests sources OEM used Caterpillar 3176 diesel engines for Cat 3176 applications. The Caterpillar 3176 is Caterpillar’s mid-displacement inline-6 diesel engine – part of Caterpillar’s 3100-series engine family used across various on-highway truck, industrial, and marine applications. 7.2L inline-6 displacement configuration providing appropriate mid-displacement diesel power for on-highway heavy truck applications and various industrial / marine applications. Represents Caterpillar’s approach to the on-highway heavy truck diesel market during the classic on-highway Caterpillar diesel era before Caterpillar’s exit from the on-highway truck engine market in 2010. Serial number verification required per the source data – Caterpillar industrial engine identification is primarily by serial number for correct application match. Exact horsepower rating verification required. Use category verification – truck (on-highway heavy truck), industrial (industrial applications), or marine (vessel propulsion). Plausible on-highway truck applications include Peterbilt 379 (classic on-highway heavy-duty conventional-cab tractor) and Kenworth W900 (classic on-highway heavy-duty conventional-cab tractor) – both iconic classic-era heavy-duty on-highway truck applications. Plausible marine applications include Sea Ray 480 (mid-size cruiser class) and Hatteras 60 (larger cruising yacht class). Industrial applications confirmed by serial number. Not included: Transmission / marine gear, controls, and accessories unless confirmed at order. Commercial / heavy-truck installer required; freight handling at delivery. Third of six-engine Caterpillar block in this catalog batch. Call (855) 634-4447 to verify Cat 3176 serial number, rating, and use category before ordering.

Engine and Application Verification

What Is Included and Not Included

Caterpillar 3176 Engine Context (Mid-Displacement Inline-6 Diesel)

• Caterpillar 3176 inline-6 diesel: The Caterpillar 3176 is Caterpillar’s mid-displacement inline-6 diesel engine – part of Caterpillar’s 3100-series engine family. Represents Caterpillar’s approach to mid-displacement inline-6 diesel engineering for on-highway heavy truck, industrial, and marine applications. Distinctive Caterpillar inline-6 diesel with distinctive Caterpillar engineering
• 3100-series engine family: The 3176 is part of Caterpillar’s 3100-series engine family. Family includes various inline-6 configurations for various mid-displacement applications – 3176, 3176B, and various related mid-displacement Caterpillar diesel variants used across on-highway truck and industrial applications during the era
• 7.2L inline-6 displacement: Per the source data engine, 7.2L inline-6 diesel. The 3176 uses an inline-6 configuration with approximately 7.2-liter displacement – mid-displacement diesel configuration appropriate for on-highway heavy truck primary power and various industrial / marine applications
• Caterpillar on-highway heritage: The 3176 represents part of Caterpillar’s iconic on-highway truck engine heritage. Caterpillar was a major on-highway heavy truck engine supplier during the classic on-highway diesel era before Caterpillar’s exit from the on-highway truck engine market in 2010. Distinctive classic Caterpillar on-highway truck engine positioning
• Serial number verification: Per the source data identity, serial number. Caterpillar industrial engine identification is primarily by serial number – Caterpillar serial numbers provide specific engine configuration information and application-specific specifications
• Exact horsepower rating: Per the source data rating, the exact hp rating. Same base 3176 engine may be rated at various horsepower ratings for different applications. Verify exact horsepower rating for correct application match
• Use category verification: Per the source data use, truck, industrial, or marine. Three primary use categories across 3176 applications – truck (on-highway heavy truck applications), industrial (industrial power applications), or marine (vessel propulsion applications). Different use categories have different specific configuration requirements

Truck / Industrial / Marine Applications Context

• On-highway truck applications: Per the source data compatibility, on-highway trucks – Peterbilt 379, Kenworth W900 (plausible). Plausible classic-era on-highway truck applications include Peterbilt 379 (classic conventional-cab heavy-duty tractor, iconic long-hood classic heavy truck) and Kenworth W900 (classic conventional-cab heavy-duty tractor, iconic long-hood classic heavy truck). Both are iconic classic-era heavy-duty on-highway truck applications
• Peterbilt 379 context: The Peterbilt 379 is a classic iconic conventional-cab heavy-duty long-hood tractor – one of the most iconic classic on-highway heavy trucks. Produced from 1987 through 2007. Distinctive long-hood classic styling with distinctive Peterbilt heavy-duty positioning
• Kenworth W900 context: The Kenworth W900 is a classic iconic conventional-cab heavy-duty long-hood tractor – one of the most iconic classic on-highway heavy trucks. Continuous production since 1961 across various generation refreshes. Distinctive long-hood classic styling with distinctive Kenworth heavy-duty positioning
• Marine applications: Per the source data compatibility, marine – Sea Ray 480, Hatteras 60 (plausible). Plausible marine applications include Sea Ray 480 (mid-size cruiser class) and Hatteras 60 (larger cruising yacht class). Both represent typical marine propulsion applications for mid-displacement inline-6 marine diesel engines
• Industrial applications: Per the source data compatibility, industrial – confirm by serial number. Industrial applications vary and require serial number verification for correct application match. Various industrial power unit, generator set, and pump drive applications may use 3176 engines

Installation Context

• Commercial / heavy-truck installer required: Per the source data tools note, a commercial / heavy-truck installer; freight handling at delivery. Critical installation requirement – Cat 3176 installation requires commercial / heavy-truck installer with heavy-duty diesel engine service capability. Not a general shop project
• Freight handling required: Cat 3176 mid-displacement inline-6 diesel engines are heavy diesel engines requiring specialized freight handling and delivery arrangements
• Not included items: Per the source data, transmission / marine gear, controls, and accessories unless confirmed at order. Standard scope – the used Cat 3176 engine as confirmed by serial number is provided. Additional items (transmission for truck applications, marine gear for marine applications, electrical controls, various accessories) are separate items – obtain / confirm separately as required

Related Caterpillar / Related Diesel Listings

• Caterpillar 3304 Engine: Related smaller Caterpillar 3300-series application (Cat 3304 4-cylinder ~7.0L industrial diesel) – see our Caterpillar 3304 Engine listing
• Caterpillar 3408 Engine: Related larger Caterpillar 3400-series application (Cat 3408 18L V8 industrial / marine diesel) – see our Caterpillar 3408 Engine listing
• Caterpillar 3204 Engine: Related Caterpillar 3200-series application (Cat 3204 4-cylinder industrial diesel) – see our Caterpillar 3204 Engine listing
• Caterpillar 3412 Engine: Related Caterpillar 3400-series application (Cat 3412 V12 industrial / marine diesel) – see our Caterpillar 3412 Engine listing
• Caterpillar 3208 Marine Engine: Related Caterpillar 3200-series marine application (Cat 3208 10.4L V8 marine diesel) – see our Caterpillar 3208 Marine Engine listing
• Various Caterpillar / on-highway truck / marine / industrial diesel replacement components available across our Part Nests catalog

Engine Specifications

• Type: OEM used Caterpillar 3176 7.2L inline-6 diesel engine
• Function: Mid-displacement inline-6 diesel engine provides on-highway truck primary power, industrial power, or marine propulsion
• Configuration: 7.2L inline-6, truck / industrial / marine use categories – verify by serial number
• What is not included: Transmission / marine gear, controls, and accessories unless confirmed at order per the source data
• Tools required: Commercial / heavy-truck installer; freight handling at delivery per the source data
• Common failure modes: Various age-related mid-displacement diesel wear patterns, injection system wear, various age-related component wear. Symptoms include performance degradation, various engine integration issues
• Testing: Serial-verified per unit before shipment

Vehicle Compatibility

Why Buy From Part Nests

• OEM verified Caterpillar 3176 7.2L inline-6 diesel engine
• Serial-verified per unit
• Support for serial number-based application verification
• Support for exact horsepower rating verification
• Support for use category verification (truck / industrial / marine)
• Support for classic Peterbilt 379 and Kenworth W900 on-highway truck applications
• Support for Sea Ray 480 and Hatteras 60 marine applications
• Support for classic Caterpillar on-highway truck engine heritage context
• Related to broader Caterpillar / on-highway truck / marine diesel listings
• Freight-forwarded to all 50 states (commercial delivery)
• 15 day replacement warranty on component defects
• Support team familiar with Caterpillar 3100-series diesel lineage and on-highway truck considerations
• Call (855) 634-4447 to confirm your Cat 3176 serial number, rating, and use category before ordering.