Caterpillar Injector 3512B 3512B/3516B High Quality Injector Excavator Engine Injectors 250-1308 10R-1280 Original New Injector

Parameter Item

Specific Value

Part Number

10R-1280

Compatible Engine Model

c-aterpillar 3512B Series Diesel Engine

Injector Type

MEUI (Mechanically Actuated Electronically Controlled Unit Injector)

Rated Injection Pressure

1700-2200 bar (High-Precision Atomization Configuration)

Material Construction

High-Strength Wear-Resistant Alloy Steel, Premium Anti-Corrosion Sealing Components

Operating Temperature Range

-40°C to 160°C

Fit Type

Direct OEM Replacement, Plug-and-Play Installation

Certific-ation Standard

c-aterpillar Original Factory Quality & Performance Standard

Advantage c-ategory

Detailed Performance Benefits

Fuel Injection Precision

Ultra-fine fuel atomization (particle size ≤38 microns); injection timing deviation controlled within ±0.6%, ensuring complete combustion and balanced fuel distribution across all 12 cylinders

Fuel Efficiency Enhancement

Improves fuel utilization rate by 13-15% compared to generic aftermarket injectors; reduces overall fuel consumption and cuts long-term operating costs for heavy-duty equipment

Durability & Service Life

Resists extreme pressure fluctuations, diesel corrosion and abrasive impurities; extends service intervals and significantly reduces maintenance-related downtime

Engine Performance Stability

Maintains steady power output and responsive throttle control; eliminates power attenuation, rough idling, cylinder misfires and black smoke under heavy load conditions

Emission Compliance

Optimizes combustion efficiency to lower NOx, particulate matter and other toxic emissions, meeting strict industrial and marine environmental protection regulations

Applic-ation Field

Specific Equipment & Usage Scenarios

Stationary Power Generation

c-at 3512B generator sets, standby/prime power for industrial plants, mines, data centers and large infrastructure projects

Marine Engineering

Medium & large vessel main propulsion engines, marine auxiliary power units, offshore drilling rigs and marine support equipment

Heavy Construction Machinery

Large excavators, mining crushers, drilling machinery and high-load construction equipment powered by c-at 3512B engine

Oil & Gas Industry

Oilfield pumping units, well-drilling power systems, remote oilfield power supply and oilfield production equipment

Maintenance & Repair Scenarios

Engine overhaul, routine injector replacement, troubleshooting for power loss, excessive fuel consumption and unstable idle speed

Interchangeability

Direct interchange with OEM-matched fuel system parts for c-at 3512B engine, no modific-ation or professional calibration needed