Starter Motor
37MT Series
Straight drive starter for medium duty applications
Delco Remy
Overview
The 37MT is a straight drive starter for medium duty applications with engine displacement up to 9.0L with jump start protection. The 37MT are now obsolete and no-longer in production as on 1st May 2026. REMAN Delco Remy 37MT starter motors in 12V variant are available for purchase.
Key Features
Performance & Electrical Specs
- System Voltage: Available in both 12-Volt and 24-Volt configurations.
- Peak Power Output: * **12V Models: Delivers up to 4.6 kW of cranking power.
• 24V Models: Delivers up to 7.0 kW of cranking power. - Motor Type: Wound field, straight-drive design that provides consistent high-torque performance.
- Positive Shift Engagement: Ensures the pinion gear consistently and reliably engages with the engine's ring gear, reducing gear clash and increasing starter life.
- Rotatable Drive Housing: Features an adjustable/rotatable nose housing flange to allow flexible mounting angles and expand vehicle application coverage.
- Pinion Support: Built with a rugged, traditional nose-style pinion support to withstand harsh cranking forces.
- Mounting Standards: Standardized to fit SAE #1 or SAE #3 mounts.
- Pinion Configurations: Typically comes in 10-tooth, 11-tooth (metric), or 12-tooth options depending on the exact vehicle application.
- Weight: Heavy-duty build weighing roughly 50.0 lbs (22.7 kg).
- Frame Diameter: 5.12 inches (130 mm).
- Rotation: Available in both clockwise (CW) and counterclockwise (CCW) rotations.
- Jump-Start Protection: Many models feature built-in protection that meets SAE J1493 safety standards to prevent accidental starter engagement during jump-starting.
- Grounding Options: Offered in both grounded (frame-grounded) and insulated configurations to match specific fleet electrical system designs
Applications
The 37MT is widely used as an OEM and remanufactured solution for medium-duty regional haulers, vocational trucks, and school buses—frequently found on brands like Mack, Volvo, and Peterbilt.
Interested in these products?
Select products below and add to your enquiry list, or send us your requirements.
Send RequirementsProducts in the 37MT Series (12)
| SKU | Voltage | Power | Rated Output | Pinion | Mount Type | Stock | Actions |
|---|---|---|---|---|---|---|---|
| 10461058 | 12V | — | — | 10 | SAE 3 | Available to Order | View |
| 10461089 | 12V | — | — | 12 | SAE 3 | Available to Order | View |
| 10461094 | 12V | — | — | 10 | SAE 1 | Available to Order | View |
| 10461098 | 12V | — | — | 10 | SAE 1 | Available to Order | View |
| 10461169 | 12V | — | — | 12 | SAE 3 | Available to Order | View |
| 10461170 | 12V | — | — | 10 | SAE 3 | Available to Order | View |
| 10461207 | 12V | — | — | 10 | SAE 1 | Available to Order | View |
| 10461225 | 12V | — | — | 10 | SAE 1 | Available to Order | View |
| 10461277 | 12V | — | — | 12 | SAE 3 | Available to Order | View |
| 10461298 | 12V | — | — | 10 | SAE 1 | Available to Order | View |
| 10461416 | 12V | — | — | 10 | SAE 1 | Available to Order | View |
| 8201133 | 24V | 4.3 kW | 4.3 kW | — | SAE 1 | Discontinued | View |