Caterpillar 3064 engine, heavy-duty four-cylinder diesel engine ⚙️
The Caterpillar 3064 engine is a 4.0L inline four-cylinder diesel engine widely used in small and medium-sized construction machinery and industrial equipment. As the core four-cylinder platform in the CAT 3000 series, the 3064 is renowned for its low-speed high torque, robust structure, and long-term operational stability, making it particularly suitable for construction sites, mining areas, and environments with relatively limited maintenance conditions.
The 3064’s design philosophy is highly “engineering-oriented”: it doesn’t excessively pursue high speeds and parameter limits, but prioritizes ensuring continuous output and maintainability under harsh operating conditions. This is a key reason why it has long been used in loaders, road rollers, and other equipment.
Engine Parameters and Technical Specifications
From a parameter perspective, the 3064 is a medium-power four-cylinder heavy-duty diesel engine, emphasizing torque rather than RPM:
Engine Model: Caterpillar 3064
Engine Type: Four-stroke inline four-cylinder diesel engine
Displacement: 4.0 liters
Intake Method: Naturally aspirated/Turbocharged
Rated Power Output: Approximately 70 – 100 hp
Maximum Torque: 280 – 360 N·m
Rated Speed: 2200 rpm
Fuel System: Mechanical fuel injection pump
Cooling System: Water-cooled
Lubrication Method: Full pressure lubrication
Emission Rating: Preliminary/Class 1
Power Characteristics and Operating Characteristics
The 3064’s inline four-cylinder design delivers significant torque at low RPMs, making it ideal for engineering applications with frequent start-stop cycles and large load variations. The mechanical fuel injection system offers direct response and strong resistance to fuel quality issues, maintaining stable combustion even in areas with poor fuel conditions. While not as smooth at high speeds as an inline-six, its low-speed torque advantage and compact structure make it more suitable for small to medium-sized equipment.
In hydraulic drive systems, the 3064 offers linear power output and stable speed, minimizing impact on the hydraulic pump and contributing to overall machine lifespan.
Structural Design and Durability
From a structural engineering perspective, the 3064 embodies CAT’s “heavy-duty” design philosophy: cast iron cylinder block and head, thickened crankshaft and main bearings, and conservative thermal load design allow the engine to operate for extended periods in high-dust and high-temperature environments. Although the cooling system structure is simple, its water channel design effectively controls localized heat concentration.
Maintenance and Service Advantages
The 3064 offers significant maintenance advantages: No electronic control system, making troubleshooting intuitive; ample supply and stable prices of spare parts such as fuel injection pumps, injectors, water pumps, oil pumps, pistons, and cylinder liners. For overseas projects, mining areas, or construction sites with limited maintenance resources, the 3064 is a low-risk power option.
Jianming Machinery – CAT 3064 Engine and Parts Support 🌍🔧
Jianming Machinery provides complete Caterpillar 3064 engines (new/used), high-quality replacement parts, and overhaul services, covering fuel injection systems, cylinder blocks, crankshafts, cylinder heads, turbochargers, overhaul kits, etc., with global shipping and technical support.
