8LL
8 plus 2 Versatility for On/Off-Highway Applications and Demanding On-Highway Duty
- Eight road speed gears and two additional deep reduction ratios in low and reverse for on/off-highway versatility.
- Improved tolerance to driver abuse due to new mainshaft washer design.
- High capacity tapered roller bearings on both auxiliary countershafts for increased bearing life.
- Improved output seal system increases seal life and eliminates potential for seal damage during yoke service.
- Easy range shifting and long life due to proven heavy-duty synchronizer technology.
- Binocular-type range and deep reduction shift cylinder assembly for greater serviceability and fewer parts.
- Increased lubrication protection with optional integral oil pump.
- Standard SAE 6-bolt and 8-bolt PTO openings and optional thru-shaft PTO provision at rear.
Operation / Driver Instructions
Multi-Speed PTO Interlock Driver Instructions (PDF, 1MB)
Professional Shifting Introduction Module - Video (WMV, 51MB)
Professional Shifting Vocational 8LL, 9LL & 15 Speeds - Video (WMV, 18MB)
Sales Literature
Sales Literature - RT-8908LL, RTL-11/14/16908LL (PDF, 2MB)
Service / Troubleshooting
Service Manual - RTO-1X707LL/DLL/MLL, RTO/X-1X708LL/1X908LL, RTO-1XX09MLL, RT/O/X-1X715/1X915 (PDF, 15MB)
Troubleshooting Guide - Heavy-Duty Transmissions (PDF, 2MB)
Installation Guides
PTO Installation Guide (PDF, 5MB)
Multi-Speed PTO Interlock Driver Instructions (PDF, 1MB)
Professional Shifting Introduction Module - Video (WMV, 51MB)
Professional Shifting Vocational 8LL, 9LL & 15 Speeds - Video (WMV, 18MB)
Sales Literature
Sales Literature - RT-8908LL, RTL-11/14/16908LL (PDF, 2MB)
Service / Troubleshooting
Service Manual - RTO-1X707LL/DLL/MLL, RTO/X-1X708LL/1X908LL, RTO-1XX09MLL, RT/O/X-1X715/1X915 (PDF, 15MB)
Troubleshooting Guide - Heavy-Duty Transmissions (PDF, 2MB)
Installation Guides
PTO Installation Guide (PDF, 5MB)

