Key facts
- Manuals
- 7
- Models
- 1
- Languages
- EN
- Last added
- 2023-10-17
Allison Transmission models by category
Featured Allison Transmission manuals

Allison Transmission 3000/4000 Series and TC10 Shift Selector Oil Level Diagnostic Manual
This manual explains how to check transmission fluid levels and access diagnostic and prognostic features on Allison 5th Generation Electronic Controls Shift Selectors. It covers procedures for checking oil levels, resetting prognostics, and reading diagnostic codes for 3000/4000 Series and TC10 transmissions. The guide includes step-by-step instructions for both pushbutton and bump lever shift selectors, with specific procedures for different configurations (with or without oil level sensors and prognostics).
Covers: General Information · Basic Operation · Fluid Levels · Prognostic Features · Accessing Prognostics · Resetting Prognostics

Allison Transmission 3000/4000 Series Oil Level and Diagnostic Brochure
This brochure provides an overview of the electronic controls package for Allison Automatic transmissions in the 3000 and 4000 Series. It explains how to monitor transmission operation through readouts on the shift selector, including oil levels, diagnostic codes, and prognostic information.
The document details specific features such as the Oil Life Monitor, Filter Life Monitor, and Transmission Health Monitor. It also provides step-by-step instructions for accessing these monitors via pushbutton or lever shift selectors and explains how to reset them.
Covers: General Information · Fluid Levels · Diagnostics · Mode Button · Model Year '09 Prognostics · Prognostic Features

Allison Transmission CRT 3000/5000/7000 Series Operator's Manual
The document serves as an operator's manual for the CRT 3000, CRT 5000, and CRT 7000 series of cycling transmissions. It details internal components such as torque converters and planetary gear sets, along with optional features like power takeoff and remote mounts.
Key sections include operating instructions for starting engines, shifting, and towing, as well as comprehensive care and maintenance procedures. Topics cover periodic inspections, fluid level checks (both cold and hot), filter changes, and troubleshooting guides to ensure safe and reliable equipment operation.
Covers: Introduction · Operating Instructions · Transmission Nameplate · Torque Converter · Transmission Shift Levers · Starting Engine

Allison Transmission AT, MT, HT Series On-Highway Transmissions Operator's Manual
This manual provides operating instructions for Allison Transmission AT, MT, and HT series on-highway automatic transmissions. It covers the introduction to the transmission system, including the torque converter and lockup clutch, and explains how to use the shift selectors for various models.
The document also includes driving tips for throttle control, cold weather operation, and using the engine for downhill braking. A significant portion is dedicated to care and maintenance, detailing periodic inspections, fluid checks (cold and hot), and recommended fluid types and change intervals.
Covers: Introduction · Shift Selectors · Driving Tips · Power Takeoff Operation · Care and Maintenance · Fluid Checks
Latest Allison Transmission manuals
Allison Transmission 3000/4000 Series and TC10 Shift Selector Oil Level Diagnostic Manual
User Manual 24 pages · 670 KB · ENManual for checking oil levels, accessing prognostics, and reading diagnostic codes on Allison 5th Gen shift selectors.
Allison Transmission 3000/4000 Series Oil Level and Diagnostic Brochure
Product Leaflet 36 pages · 2.3 MB · ENA guide for Allison 3000/4000 series transmissions covering oil level checks, diagnostic codes, and prognostic features like the Wrench icon.
Allison Transmission CRT 3000/5000/7000 Series Operator's Manual
Service Manual 42 pages · 1 MB · ENThis manual covers operation, maintenance, and troubleshooting for Allison Cycling Transmissions models CRT 3000, CRT 5000, and CRT 7000.
Allison Transmission AT, MT, HT Series On-Highway Transmissions Operator's Manual
User Manual 48 pages · 701 KB · ENOperator's manual for Allison Transmission AT, MT, and HT series on-highway automatic transmissions covering operation, maintenance, and troubleshooting.
Allison MT/HT/CT Series On-Highway Transmissions Electronic Controls Operator's Manual
User Manual 36 pages · 872 KB · ENThis operator's manual covers the electronic controls, driving tips, and maintenance procedures for Allison Transmission MT, HT, and CT series on-highway…
Allison 3000 and 4000 Operator's Manual
User Manual 95 pages · 2.3 MB · ENThis manual provides operating instructions, driving tips, maintenance procedures, and diagnostic code information for Allison 3000 and 4000 transmission…
Allison Transmission 1000/2000 Series Service Manual
Service Manual 25 pages · 671 KB · ENService manual for Allison Transmission vocational models including 1000, 2000, and related series covering maintenance and repair procedures.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Service Manual
Disassembly, diagnostics and part numbers, for repair.
Questions answered in Allison Transmission manuals
How do I check the transmission fluid level?
Park the vehicle on a level surface, shift to N (NEUTRAL), and apply the parking brake. For pushbutton selectors, press UP and DOWN arrows once. For bump lever selectors, press DIAGNOSTICS once. The display will show correct, low, or high fluid levels.
From: Allison Transmission 3000/4000 Series and TC10 Shift Selector Oil Level Diagnostic Manual
How do I access prognostics on the shift selector?
For oil life, press UP/DOWN twice (pushbutton) or DIAGNOSTICS twice (bump lever). For filter life, press UP/DOWN three times (pushbutton) or DIAGNOSTICS three times (bump lever). For transmission health, press UP/DOWN four times (pushbutton) or DIAGNOSTICS four times (bump lever).
From: Allison Transmission 3000/4000 Series and TC10 Shift Selector Oil Level Diagnostic Manual
What fluid temperature range is required for an accurate oil level reading?
The fluid temperature must be between 60°C (140°F) and 104°C (220°F).
From: Allison Transmission 3000/4000 Series Oil Level and Diagnostic Brochure
How many times must the DIAGNOSTICS button be pressed to access the Filter Life Monitor on a lever shift selector?
You must press the DIAGNOSTICS button three times.
From: Allison Transmission 3000/4000 Series Oil Level and Diagnostic Brochure
Who is responsible for verifying the safety of non-recommended service procedures?
The user must be thoroughly satisfied that neither personal nor equipment safety will be jeopardized before using a service method not recommended by Allison Transmission.
From: Allison Transmission CRT 3000/5000/7000 Series Operator's Manual
What is the phone number for the Technical Assistance Center?
The Technical Assistance Center can be reached at 1-800-252-5283.
From: Allison Transmission CRT 3000/5000/7000 Series Operator's Manual
