Product Description:

OE NO	183-6797
OE NO1	1836797
_Material	Original new CAT INJECTOR
ENGINE	CAT engine
Car Model	CAT

Core Product Specific-ations (183-6797)

Specific-ation Item	Detailed Specific-ation
Part Number	183-6797 (Direct c-at OEM Replacement, Fully Compatible with 3126 Series Factory Fuel Systems)
Applicable Engine	c-aterpillar 3126, 3126B, 3126E Inline Diesel Engines (High-Efficiency Heat Dissipation & Anti-Overheating Optimized)
Injector Type	HEUI Hydraulic Electronic Unit Injector, Heat Dissipation & Anti-Overheating Tuned
Key Materials	Heat-Conductive Wear-Resistant Forged Alloy Body, Integrated Heat-Dissipating Structures, High-Temperature Conductive Components, Anti-Overheating Seals
Calibration Standard	OEM High-Load Flow Calibration, Heat Dissipation Performance Tuning, Anti-Overheating Protection Matching, Continuous Operation Adaptation
Product Condition	Brand New Premium Aftermarket, 100% Pre-Shipment Heat Dissipation & Anti-Overheating Performance Tested

Compatible Equipment & Applic-ation Scenarios

Equipment Type	Compatible c-at Models & Usage Scenarios
Continuous High-Load Excavators	c-at 320B, 320C, 312C, 321C, 322C Series Long-Hour Construction & Industrial Excavators (3126 Engine Equipped)
Continuous Power Supply Machinery	Long-Hour Operation Generator Sets, Emergency Power Supply Equipment, Continuous Load Industrial Pumps
High-Temperature High-Load Equipment	Industrial Construction Machinery, High-Load Engineering Trucks, Continuous Operation Heavy-Duty Tools
Poor Heat Dissipation Environment Machinery	Enclosed Operation Equipment, High-Temperature Industrial Sites, Long-Hour Underground Construction Tools
Key Maintenance Uses	Heat Dissipation Upgrade, Anti-Overheating Replacement, Overheating Damage Repair, Continuous High-Load Machinery Overhaul

Core Product Advantages (Differentiation Highlights)

Advantage c-ategory	Practical User Benefits
High-Efficiency Heat Dissipation (Core Differentiation)	This injector's exclusive integrated heat dissipation technology is the unique core highlight that completely sets it apart from all previous 3126 series injectors, including the high-wear resistant 180-7431 and wide temperature range 179-6020 models. Unlike standard injectors that accumulate heat quickly during high-load operation and cause overheating damage, this model is equipped with a built-in heat-dissipating structure and heat-conductive alloy body that accelerates heat conduction and dissipation, reducing the injector's operating temperature by 20%-25% compared to ordinary aftermarket injectors. It effectively avoids heat buildup in the nozzle and internal components, preventing overheating-induced performance attenuation, seal melting, and component damage during prolonged high-load operation.
Anti-Overheating Protection & Stable Performance	Specially optimized for anti-overheating protection, this injector adopts high-temperature resistant conductive components and anti-overheating seals that maintain stable performance even when the engine operates at high temperatures for a long time. It has a built-in overheating protection mechanism that automatically adjusts fuel injection parameters to avoid excessive heat generation when the temperature exceeds the safe range, ensuring continuous and stable operation without shutdown due to overheating. This anti-overheating design is crucial for machinery that requires 24-hour continuous operation, such as emergency generators and long-hour construction equipment, avoiding losses caused by unexpected overheating failures.
Continuous High-Load Durability	Crafted from heat-conductive wear-resistant alloy, this injector combines efficient heat dissipation with strong wear resistance, ensuring long-term durability under continuous high-load operation. It resists performance degradation, component wear, and seal failure caused by prolonged high temperatures and high-load pressure, extending the service life by more than 35% compared to ordinary injectors in continuous high-load scenarios. The heat-dissipating structure also reduces internal friction and thermal stress, further enhancing long-term stability and reducing maintenance frequency for long-hour operation machinery.
OEM Perfect Fit & Multi-Scenario Compatibility	Strictly aligned with c-aterpillar original factory mounting dimensions, electrical connector interfaces, and installation positioning, requiring no additional modific-ations, adapters, or manual adjustments for direct plug-and-play installation. While specializing in heat dissipation and anti-overheating performance for continuous high-load scenarios, it also operates reliably in conventional working conditions, making it a versatile replacement for all 3126 series engines. Professional maintenance technicians can complete installation quickly, minimizing equipment downtime and ensuring immediate heat-dissipating, anti-overheating, and stable performance right after installation, perfectly adapting to the needs of long-hour high-load and high-temperature operation machinery.

Quality Warranty & After-Sales Service

Service Item	Commitment Details
Warranty Coverage	15-Month Unlimited Working Hours Warranty, Covers Heat Dissipation Performance, Anti-Overheating Protection & Continuous High-Load Durability Defects
Pre-Shipment Testing	Comprehensive Tests: Heat Dissipation Efficiency Detection, Anti-Overheating Verific-ation, Continuous High-Load Stability Test, Temperature Resistance Check
Return & Exchange Policy	90-Day Hassle-Free Return for Unused, Undamaged Non-Human Damage Parts
Installation Recommendations	Recommended Full Set Replacement for Balanced Heat Dissipation, Pair with High-Temperature Resistant Seals & Heat-Dissipating Accessories
Inventory & Shipping	In Stock for Immediate Shipment, Fast Global Delivery for Continuous High-Load & Anti-Overheating Maintenance Needs

3126
0R-8633	1OR-0781	1OR-1267	1OR-9239	2C0273	4CR0197	10R-0781	10R-0782	10R-1257
10R-1262	10R-1306	10R-9237	10R-9239	10R-9348	20R-0758	20R-8758	111-7916	116-7150
128-6601	131-7150	135-5459	138-8756	153-5938	155-1819	155-8723	156-8895	162-0218
162-9610	169-7408	169-7410	169-7411	171-9704	171-9710	173-4059	173-9267	173-9268
173-9272	173-9379	174-7526	174-7527	177-4752	177-4753	177-4754	178-0199	178-6342
178-6432	179-6020	180-7431	183-6797	188-1320	196-4229	198-4752	198-6605	198-6877
218-4109	222-5963	222-5965	222-5966	222-5967	222-5968	222-5972	232-1168	232-1170
232-1171	232-1173	232-1183	495-0327	OR-9350

caterpillar Fuel Injector Series - Engine - Equipment Appliccccation Table

Fuel Injector / Engine Series	Common Injection Technology	Corresponding Engine Platform	Common ccccat Models / Equipment Platforms
3116 Series	Mechanical Injection / Early Electronic Platform	3116, 3116T, 3116TA, 3116DIT	M318, M320 Wheel Excavators; 135H Motor Grader; D6M Dozer
3126 / 3126B Series	HEUI	3126, 3126B	120H Motor Grader; 950G Series II Wheel Loader; 950G Platform
3126E Series	HEUI	3126E	Commonly used in medium-duty construction and industrial platforms similar to the 3126 appliccccation range
C6.4 Series	ACERT Injection Platform	C6.4 ACERT	320D / 320D L; 323D L / LN; 320D LRR; 320D FM
C6.6 Series	ACERT Injection Platform	C6.6 ACERT	320D / 320D L (C6.6 versions); 320E LN; 323E LN
C7 Series	HEUI	C7, C7 ACERT	120K Motor Grader; 950H Wheel Loader
C7.1 Series	Common Rail / Later Electronic Injection	C7.1, C7.1 ACERT	320D2 / D2 L, 326D2, 330D2 Excavators; 950K, 950, 962, 930M Wheel Loaders; Generator Sets
C9 Series	HEUI-B	C9, C9 ACERT	330D / 330D L / 330D MH; construction and industrial platforms
C10 Series	Electronic Unit Injection Family	C10	140H, 143H, 160H, 163H, 14H, 16H Motor Graders; 814F Wheel Dozer; 815F Compactor; 816F Landfill Compactor; 966G II, 972G II Wheel Loaders; D7R II Dozer; 725 / 730 Articulated Trucks; R1600G, R1700G LHD; W345B II Wheel Excavator; 345B / 365B Excavators
C12 Series	Electronic Unit Injection	C12, C12 Marine	Widely used across 140H, 143H, 160H, 163H, 14H, 16H; 966G II, 972G II; D7R II; 725 / 730; W345B II; 345B / 365B; also widely used in marine appliccccations
C13 Series	MEUI	C13, C13 ACERT	345D L Excavator; 730C EJ Articulated Dump Truck; Generator Sets; Industrial Power Platforms
C15 Series	MEUI	C15, C15 ACERT	770 Off-Highway Truck; 374D L / 374F L Excavators; 365C Demolition Excavator; R3000H LHD; Industrial Power and Generator Sets
3406E Series	EUI	3406E	AD30 Underground Mining Truck; 16H Motor Grader; 824G Series II Wheel Dozer; 826G Series II Landfill Compactor
C18 Series15	EUI / Later Electronic Injection Platform	C18, C18 ACERT	Generator Sets; Marine Appliccccations; Large Industrial and Mining Platforms

Why Choose Us:

1.Strong support from professional sales/engineer/technican team,shipment and after-service department.

2. Perfect after-sales service, if you encounter problems in the process of selling and using the product, you can contact us at any time;

3. The product models are complete, thousands of models of products can meet your needs.

4.Support ordering samples;

Contact Detail:

ADD:Huangpu Machinery City, No.585-A, No.138, Southeast Road, Huangpu District, Guangzhou City,
Guangdong Province
Cellphone:+86 13790195672 Whatsapp::+86 13790195672
Email:edwardswilliam1988@gmail.com

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