SKU:ES56-5A
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ES56-5A | Spicer | TTC | Tremec 5-Speed Transmission | BOM 301734 | Remanufactured
ES56-5A | Spicer | TTC | Tremec 5-Speed Transmission | BOM 301734 | Remanufactured
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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
| Gear | Ratio |
|---|---|
| 1st | 7.16 |
| 2nd | 3.89 |
| 3rd | 2.17 |
| 4th | 1.41 |
| 5th (Direct) | 1.00 |
| Reverse | 6.75 |
PTO Details
- Mounting: Dual 6-bolt (left & right)
- Drive: Countershaft-driven
- PTO Speed: ~52% of engine speed (typical)
- Service: PTO rebuilding & setup available (Chelsea / Muncie) — call for details
Lubricant & Fill
- Recommended Oil: SAE 50 synthetic meeting Eaton PS-386 (or equivalent)
- Capacity: ~19.5 pints (~9 L)
- Fill Level: To the bottom of the fill port (verify per service manual)
What’s Included
- Remanufactured Eaton Fuller FS5406A 6-speed transmission — completely remanufactured to factory spec
- 12-month, unlimited-mileage parts warranty
- Backed by expert tech support from DPE
Core Exchange Policy
- Exchange Required: Like-for-like, complete, and rebuildable core
- Possible Deductions: Cracked / damaged housings, missing or burnt internals, water / low-lube damage, non-matching cores
- Preparation: Drain and palletize the core for pickup
Shipping Policy
- Method: LTL motor freight to verified commercial addresses
- Requirements: Forklift or loading dock; liftgate available on request
- No Residential Delivery
Warranty
12-month, unlimited-mileage parts warranty. No labor reimbursement. See terms or call with questions.
Ohio’s Premier Heavy-Duty Drivetrain Rebuilder — Built to Perform. Trusted to Last.
Reference Documentation
Download official Eaton Fuller manuals for the FS-5406A / FS-5406N mid-range 6-speed transmissions:

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