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CAT Engine C11 C13 Oil Pump 233-5220

Supplier: Racer Machinery

Brand: CAT

OEM Available: Yes

Place of delivery: China

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excavator CAT Engine C11 C13 Oil Pump 233-5220

Caterpillar 233-5220 Engine Oil Pump (For C11 & C13 Engines) Detailed Introduction

Overview

The 233-5220 is an original equipment (OE) gear-driven engine oil pump assembly manufactured by Caterpillar, purpose-built for heavy-duty C11, C13 and related diesel engine platforms. As a core component of the engine lubrication system, it circulates pressurized engine oil to crankshaft bearings, connecting rods, camshafts, valve train components and accessory drive gears, delivering continuous lubrication, cooling and contamination control.
This pump is engineered to maintain stable oil pressure and flow under sustained heavy-load, high-vibration operating conditions in construction, mining and power generation applications, directly supporting engine reliability and extended service life.

Core Technical Specifications

Parameter	Specification
Official Part Number	233-5220
Component Type	Gear-driven engine oil pump assembly
Rated Pump Speed	3000 rpm
Nominal Oil Pressure	359 kPa (52 psi)
Minimum Oil Flow Rate	185 L/min (49 US gpm)
Reference Oil Grade	SAE 30
Standard Test Oil Temperature	50 °C (122 °F)
Mounting Type	Direct bolt-on OE fitment
Unit Weight	Approx. 3.5–6 kg
Supply Options	Genuine new; Caterpillar Remanufactured (10R-2296)

Key Features & Performance Advantages

1. Precision Calibration & Stable Lubrication

Manufactured to Caterpillar’s strict OEM dimensional and performance tolerances, the 233-5220 pump delivers consistent oil pressure and volumetric flow across the full engine operating range. It maintains steady lubrication supply even under peak load and high operating temperatures, eliminating pressure drops that cause premature engine wear. Compared to earlier legacy pump models (176-9918, 148-2125), it features tighter internal clearances for improved pressure retention and reduced internal leakage.

2. Heavy-Duty Wear-Resistant Construction

The pump is built with a high-tensile cast iron housing and precision-machined steel gears, engineered for exceptional structural rigidity and abrasion resistance. Surface-treated gear sets and bearing surfaces are specially formulated to withstand the reduced lubricity of modern ultra-low-sulfur diesel (ULSD) engine oils, delivering significantly longer service life than lower-quality aftermarket alternatives. It resists thermal fatigue and mechanical vibration common in off-highway and mining equipment.

3. Direct Drop-In Fit & Reliable Sealing

Designed as a direct replacement for original equipment, the 233-5220 pump requires no modification for installation. It features precision-machined mounting faces and matched sealing interfaces to eliminate oil leaks between the pump, engine block and lubrication circuit. This ensures straightforward service installation and minimizes equipment downtime during engine overhaul or routine maintenance.

4. Broad Cross-Platform Compatibility

Beyond C11 and C13 engines, the 233-5220 pump fits a wide range of Caterpillar 3176-series and C10/C12 engine platforms, making it a versatile service part for mixed heavy equipment fleets. It supports both off-highway and industrial engine configurations as well as stationary generator set variants.

Compatibility

Compatible Engine Models

3176, 3176B, 3176C
3196
C-10, C-12
C11, C13
C13 Generator Set (GENSET)
Industrial engine configurations: CPT372, SBF214, SUF557
Power generation engines: DE450GC, DE500GC, DE550GC

Applicable Equipment

Hydraulic Excavators: 345B series, 345C series, 345D series, 349D/D2 series, 365B series
Motor Graders: 140H, 143H, 14H, 14M, 160H, 163H, 16H, 16M
Compactors: 815F, 816F
Underground Mining LHD Loaders: R1600 series, R1700 series
Tracked & Agricultural Tractors: Challenger 65E, 75C/D/E, 85C/D/E, 95E, MT835
Mining Drills: MD5125, MD5150C
Pipelayers & Industrial Equipment: 572R II

Cross Reference Part Numbers

The 233-5220 oil pump is interchangeable with the following equivalent and superseding part numbers:

10R-2296 (Caterpillar Remanufactured oil pump assembly)
518-3978
223-1612
9Y-8073
176-9918 (legacy predecessor model)
148-2125 (legacy predecessor model)
CA2335220, CA10R2296

Warranty & Service Recommendations

Genuine Caterpillar new and Reman 233-5220 oil pumps are covered by Caterpillar’s standard global parts warranty against defects in materials and workmanship. Premium aftermarket replacement units typically carry a 1–2 year manufacturer warranty.
For maximum service life:

Always replace pump gaskets and seals during installation
Follow Caterpillar’s recommended oil change intervals and use specified SAE grade engine oils
Replace engine oil filters at scheduled intervals to prevent abrasive contamination from damaging pump internals
Monitor oil pressure during routine maintenance to identify early signs of pump wear

Racer Machinery company provides genuine CAT Engine C11 C13 Oil Pump 233-5220. We guarantee that all parts are brand new products. You can directly consult us about the relevant content of CAT Engine C11 C13 Oil Pump 233-5220, such as size, weight, transportation, shipping costs, and so on.

We have been engaged in the aftermarket spare parts sales industry for many years. As a professional excavator parts supplier. The clients we collaborate with are located around the world, including Minsk (Belarus), Namibia, Geneva (Switzerland), Reykjavik (Iceland), Vatican city, Poland, and more. Not only CAT Engine C11 C13 Oil Pump 233-5220, we also have products such as idler cushion for pc300-7, PC50MR-2 hydraulic pump, front idler for excavator, PC50MR-2 valve assy, PC300-7 207-27-61210 undercarriage parts sprocket, etc. We have strong global sales capabilities for excavator parts. Looking forward to cooperate with you.