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Vehicle transmissions

8LL manual transmission

The Eaton Fuller 8LL manual transmissions provide drivers with the versatility they need for a mix of on- and off-highway applications. These transmissions offer eight road speed gears and two additional deep reduction ratios in low and reverse.

speeds
10
max torque
1,650 lb.-ft. (2.237 Nm)
max gcw
110,000 lbs. (49.895 kg)

    Specifications
    RT Series Models chart
    RT Series Gear Ratios chart
    RT Series applications

    Available Models

    Models
    Maximum Engine Torque Capacity lb.-ft. [Nm]
    RTO-14908LL 1450 [1966]
    RTO-16908LL 1650 [2237]

    Specifications

    Speeds Forward Speeds 10
    Reverse Gears 3
    Capacities Maximum GCW lbs. [kgs]
    140,000 [63,503]
    Maximum Engine Torque lb.-ft. [Nm] 
    1650 [2237]
    Dimensions Length in. [mm]
    33.1 [841]
    Weight lbs. [kgs]
    690 [313]
    Gear Ratios
    Overall Ratio 19.58
    First Gear Ratio 14.56
    Forward Gears Gear Ratio % Step
    1 14.56 55
    2 9.42 51
    3 6.24 35
    4 4.63 36
    5 3.40 34
    6 2.53 38
    7 1.83 35
    8 1.36 36
    9 1.00 34
    10 0.74 --
    Reverse Gears 1 15.22
    2 9.85
    3 2.89
    Lubrication and Cooling Lubrication Interval miles [km] 180,000 [289,682]
    Oil Capacity pints [liters] 28 [13.2]
    Recommended Oil Eaton PS-386
    Integral Oil Pump Required option on 1650 lb.-ft. model
    External Oil to Water Cooler Available option
    External Oil Filter Available option
    PTO Capability
    6-bolt Yes 4
    8-bolt Yes
    Thru-shaft Yes
    PTO Speed % of Engine 94
    Combined PTO Torque lb.-ft. [Nm] 500 [678] 6
    Typical Vehicle Types 
    Dump truck
    Roll-off
    Asphalt truck Municipality truck
      Utility truck  
     

    Notes:

    4 Will interfere with front mount oil filter. Rear or remote mount oil filter must be utilized.
    6 Intermittent torque of up to 750 lb.-ft. at the countershaft is permitted for 5 minutes of each 15 minute PTO duty cycle.

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