ES56-5A | Spicer | TTC | Tremec 5-Speed Transmission | BOM 301734 | Remanufactured

ES56-5A | Spicer / TTC / Tremec 5-Speed Transmission — Remanufactured by DPE (BOM 301734)

Direct-drive, fully synchronized 5-speed built for medium-duty performance. The ES56-5A (also known as TR-S56-5A / TR-S46-5A) is a simple, serviceable single-countershaft manual trusted in vocational and regional delivery fleets. Each unit is completely remanufactured to factory spec in Mansfield, Ohio by Discount Parts Exchange (DPE) using top-tier OEM and aftermarket components.

Summary

Rebuilt to factory spec (BOM 301734). Direct 1.00 top gear, synchronized forward gears, dual 6-bolt PTO ports. Sold on exchange.

Highlights

• Model: ES56-5A (aka TR-S56-5A / TR-S46-5A)
• Speeds: 5 forward / 1 reverse (fully synchronized)
• Top Gear: 1.00 (Direct)
• Design: Single countershaft; top-cover shift
• Bill of Materials (BOM): 301734
• PTO Ports: Right & left 6-bolt | PTO Speed: ~49% engine
• Overall Length: 27.05 in
• Dry Weight: ~325 lb
• Clutch Housing: SAE #2 (bell housing not included)
• Lubricant: SAE 50 heavy-duty engine oil | Capacity: ~12 pints
• Case Casting No.: C49-15-7
• Torque Capacity (reference): up to 560 lb-ft (TR-S56-5A) / 460 lb-ft (TR-S46-5A)
• Applications: Medium-duty Class 6–7, vocational & regional delivery

Gear Ratios

What’s Included

• Completely remanufactured ES56-5A 5-speed transmission
• Clean shift quality; painted and tagged for install
• 12-month, unlimited-mileage parts-only warranty
• Tech support from DPE

Core Exchange Policy

• Required: Like-for-like, complete, rebuildable core
• Deductions may apply for cracked housings, missing/burnt internals, low-lube or water damage, non-matching units
• Preparation: Drain fluids and palletize for pickup

Shipping Policy

• Ships via LTL motor freight to verified commercial addresses
• Forklift or dock required; liftgate service available on request
• No residential delivery

Recommended Companion Part

Need a countershaft? See our 56-30-3 Dana Spicer TTC Countershaft (New Genuine NOS).

Image Disclaimer

Photos are representative. Final appearance may vary by casting revision and configuration.

Call to Order

Call for pricing & availability: 419-522-3320  |  Location: Mansfield, Ohio

Heavy-Duty Solutions — Built to Perform. Trusted to Last.

Reference Documentation

Download official Eaton Fuller manuals for the FS-5406A / FS-5406N mid-range 6-speed transmissions:

• Eaton Fuller FS-5406A Transmission Illustrated Parts List (PDF)
• Eaton Fuller FS-5406N Transmission Illustrated Parts List (PDF)
• Eaton Fuller Roadranger Mid-Range Service Manual TRSM0110 (0711) (PDF)