Mitsubishi 6D31 Starter Motor 24V 11T 5.5kW M2T78381 ME087507 ME087589

Product Details

Product Overview

This high-performance starter motor is specifically engineered for the Mitsubishi 6D31 diesel engine, a common power unit in excavators and industrial machinery. Designed as a direct OEM replacement, this 24V, 11-tooth, 5.5kW unit ensures reliable starting power in demanding conditions. We offer global shipping to major industrial centers, including North America, Europe, Asia-Pacific, the Middle East, and Africa, ensuring fast delivery to your site or warehouse.

Key Features & Benefits

• High Torque Output: 5.5kW power ensures reliable engine cranking even in cold weather or after long periods of inactivity.
• Durable Construction: Built with heavy-duty components to withstand high vibration, shock loads, and extreme temperatures found in construction and mining environments.
• Precision Fitment: 11-tooth pinion gear ensures perfect engagement with the 6D31 flywheel ring gear, reducing wear and tear.
• Plug-and-Play Installation: Direct OEM replacement design matches the original manufacturer specifications for a hassle-free swap.
• Long Service Life: Features sealed bearings and robust internal windings for extended operational life, reducing downtime.

Technical Specifications

OEM Cross-Reference

This starter motor is a direct replacement for the following OEM and aftermarket part numbers:

• Mitsubishi OEM: M2T78381
• Mitsubishi OEM: ME087507
• Mitsubishi OEM: ME087589

Compatibility

Primary Engine: Mitsubishi 6D31 (Naturally Aspirated and Turbocharged variants).

Common Applications:

• Excavators (e.g., Mitsubishi, Caterpillar, Kobelco models using 6D31 engine)
• Wheel Loaders
• Forklifts
• Generator Sets
• Industrial Pumps and Compressors

Note: Please verify your existing starter motor’s tooth count (11T) and voltage (24V) to ensure compatibility before purchase.

Global Supply & Distribution

We are an experienced exporter of heavy-duty engine parts, serving a global B2B clientele. Our logistics network ensures fast and reliable delivery to:

• North America: Los Angeles, Houston, Chicago, Toronto
• Europe: Rotterdam, Hamburg, Antwerp, London
• Asia-Pacific: Singapore, Shanghai, Dubai, Sydney
• Middle East & Africa: Jebel Ali, Dammam, Durban, Lagos

We handle all documentation for smooth customs clearance and offer flexible shipping options (sea, air, express) to meet your project deadlines.

Quality Assurance

• Manufacturing Standard: ISO 9001:2015 certified production facilities.
• Testing: Every unit undergoes rigorous bench testing for voltage, torque, and no-load current before shipment.
• Warranty: 12-month warranty against manufacturing defects from the date of invoice.

FAQ

Q: How do I confirm this starter motor fits my 6D31 engine?
A: First, check your existing starter for the part number (M2T78381, ME087507, or ME087589). If unavailable, count the number of teeth on the pinion gear (must be 11) and verify the voltage (24V). The mounting pattern is standard SAE for the 6D31, but comparing the bolt hole spacing with your old unit is recommended.

Q: What is the correct installation torque for the mounting bolts?
A: For the 6D31 starter motor, the recommended tightening torque for the mounting bolts is 40-50 Nm (30-37 ft-lb). Over-tightening can crack the housing, while under-tightening can cause misalignment and gear wear. Always use a torque wrench.

Q: My engine turns over slowly with this new starter. What could be wrong?
A: Ensure your battery is fully charged (minimum 12.4V for a 24V system) and that all cable connections are clean, tight, and corrosion-free. Check the ground cable from the battery to the engine block. Also, verify that the starter pinion gear is not binding on the flywheel ring gear due to debris or incorrect shimming.