Diesel Engines•CAT

CAT 3512 V12 Industrial Diesel Engine

Heavy-duty 12-cylinder V12 51.8L diesel engine rated at 761–1119 kW (1020–1500 hp) for mining haul trucks, oilfield frac/drilling pumps, and marine propulsion.

  • Maximum Power1119 kW
  • Minimum Power761 kW
  • Power Output761 – 1119 kW (1020 – 1500 hp)

Verified Prior to Quotation. Fitment and configuration are cross-checked against your equipment serial number.

Technical Overview

About CAT 3512 V12 Industrial Diesel Engine

The Caterpillar 3512 is an industry benchmark in open-pit mining, oil and gas drilling, marine propulsion, and megawatt-class power generation. Built for 24/7 continuous operation with high load acceptance and transient response stability.

Key Advantages:

  • Twin water-cooled turbochargers engineered for extended bearing life under continuous high exhaust temperatures.
  • Two-piece articulated forged steel pistons with deep-dish combustion bowls.
  • Centralized monitoring of oil pressure, coolant temperature, and exhaust pyrometry.
  • Designed for multiple complete overhauls using standard and oversize genuine CAT parts.

For your largest power needs in any environment, Cat 3512 Industrial Diesel Engines offer the unsurpassed performance and durability your customers need to keep their industrial applications and operations running. They deliver high power output, proven reliability and excellent fuel efficiency. These engines maintain low operating costs to keep your customers profitable for years to come. Industries and applications powered by 3512 engines include Bore/Drill Rigs, Chippers/Grinders, Construction, Cranes, Dredgers, Forestry, General Industrial, Material Handling, Mining, Mobile Earthmoving Equipment, Pumps, Shovels/Draglines, Surface Hauling Equipment and Trenchers. These 3512 engines, with ratings: 761-1119 bkW (1020-1500 bhp) @ 1200-1800 rpm, are non-certified. They are available for global non-regulated areas.

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.

Fuel Efficiency

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

Quality

Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.

Supply Assurance

MSDD Engine Standards

01
Genuine Quality & Fitment Check

We verify fitment by engine nameplate and serial number, with pre-shipment photos of original packaging.

02
Direct Export Logistics

Direct dispatch from our Chongqing hub for industrial fleets, power plants, and service centers.

03
Locked Commercial Terms

Unit price, completeness, export crating, and lead time are confirmed before invoicing.

Technical Data

Specifications

Reference parameters for engineering selection; exact arrangement details are confirmed prior to shipment. Manufacturer names and part numbers are used for identification reference only.

Additional Parameters
Model / Code3512
BrandCAT (Caterpillar)
Maximum Torque6210 Nm @ 1400 rpm
Rated Speed1200-1800 rpm
Dimensions (L × W × H)2676 mm × 1704 mm × 1720 mm
Unit Weight6078 kg
Bore × Stroke170.0 × 190.0 mm
AspirationTwin Turbocharged & Aftercooled (TA)
Compression Ratio13.5:1
Lube Oil System Capacity310 L
Cooling System Capacity157 L
Overall Dimensions (L × W × H)2676 × 1703 × 1720 mm
Dry Weight6078 kg
Compatible ModelsCat 785C, Cat 785D, Cat 994F, Drilling Mud Pumps, Marine Propulsion, Cat 3512 Genset

Engineering Advantage

Why Specify CAT 3512 V12 Industrial Diesel Engine

01

Power rating and duty cycle are matched to your exact application — from continuous prime load to heavy intermittent duty.

02

Equipment compatibility is verified before quotation: flywheel housing, cooling package, and PTO configuration are aligned with your machinery.

03

Site conditions are factored into selection: ambient temperature, altitude derating, and fuel quality requirements.

04

Scope of supply is locked in the commercial quotation and verified prior to dispatch.

05

Engine serial number, factory test records, and export documentation are provided for full traceability.

Applications

Typical Applications

Engineered for demanding industrial duty cycles. Application rating, mounting arrangement, and cooling configuration are confirmed prior to shipment.

Logistics & Packaging

Delivery Terms

Quantity, export packaging, gross weight, and dispatch lead time are confirmed in your formal quotation.

Packaging
Export-grade protective packaging
Unit Weight
6078 kg
Minimum Order
1 unit / per enquiry
Lead Time
Confirmed prior to order

Before You Order

Frequently Asked Questions

What technical details are required for sizing and quotation?

Please specify your required power output (kW/kVA), operating duty (Prime or Standby), ambient conditions (altitude and temperature), voltage/frequency, and destination country.

Can the configuration and scope of supply be customized?

Yes. Cooling packages, flywheel housings, control panels, canopies, and ATS switchgear are confirmed to match your application prior to quotation.

Request a Quotation

Submit Your Enquiry

Request Configuration & Price — share your requirements below and our engineers will verify fitment and stock availability.

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