677 Most gear shifts have a diagram displaying the shifting pattern, which will help to clue you into the organization of the. Never make a range shift or splitter shift while moving in reverse. Why not offer this zf transmission in 2500 and 3500 pickup trucks for consumers? We reached out to zf for comment. Note: although the transmissions first gear is synchronized it is advised that a downshift into first gear be completed at a very slow speed to prevent engine. For a downshift, the second substantially uniform driving velocity is less than the. Practice the gear pattern of the semi while the truck is stopped. Only when down shifting do i need to tap the throttle to get it into gear. How to shift a, 10, 13, 15 or 18-speed transmission. Just put the transmission in neutral, speed the engine up to the proper revs and shift into. I have read the tips on adding the speed numbers to equal the gear tip 257th gear. We are in a international eagle with a eaton 10 sp. These drivers believe that this is the correct way to shift as it is best for the longevity of the transmission. Swapping gears properly in an eaton roadranger transmission is a skill that professional drivers pride themselves in. When driving a manual transmission vehicle, should you downshift or just use. Hit accelerator to 1500 rpms and let come down to 1000 rpms. Always preselect all range shifts when upshifting or downshifting.
Read the entire driver instructions before operating this transmission. Never use the clutch brake when upshifting or downshifting. If youre familiar with a manual transmission, the basic principles of the eaton. What is happening when you try to downshift? Bad gear grinding and then it slips in. Ive driven eaton fuller 8 speeds freight shaker and eaton. Understand how the gear shift differs from a normal vehicles shifter. In canada, the preferred multi-speed transmission for heavy haulers seems to the eaton 18 speed. It doesnt want to down shift from the top gears to the lower. This allows you to become familiar with the gear pattern so you can shift up and down. 121 Works well for all the others gears thus the upper range 8 l/h. Would you guys please explain the idea behind downshifting this transmission. The last piece for non-synchromesh transmission: when youre down shifting.
Note: do not attempt a downshift at too high of an engine speed generally. While in 6th and ready for the next downshift, push down the. 29 Its got a standard 8 speed transmission with a splitter. I have been driving a 2012 388 peterbilt dump truck this past week. By starting with a 10 speeds eaton fuller gearbox to train myself. If you are driving an 18 speed eaton, there is going to be a gear. Up to 1400-1600rpm/ slip the transmission into the proper gear for that speed range. You push the clutch in to stop the sincronizers and gears from turning,taking the shifter. Note: for rto-6613 models, the 7/12 and 8/13 speed locations are reversed. The rotation speed of the transmission output shaft. Once during an upshift sequence and once during a downshift sequence. On my 13-speed eaton-fuller i like to shift at no higher than 1300 to 1350. The shift pattern and instructions for an 18-speed roadranger gearbox. So any shifting tips for a newbie? Its a ten speed. After shifting into the lowest gear with the ratio splitter lever in low, reduce the vehicle speed until at idling speed. Never move the range lever with the shift lever in neutral while the vehicle is moving. When towing the vehicle, the output shaft of the transmission must not be. The control is spring-loaded and returns to mid-position when released after an upshift or downshift. If the driver requests a downshift, the transmission will complete the downshift as long as it will not over speed the engine rpm.
Im not sure ive driven that particular version, but if its an 8 speed. 10 speed is the same as an 8 or speed, except you shift all 5 low and high. I have a 13 speed eaton and the high low on the high side of trans is. When you press in the clutch to downshift, the engine rotates by itself. Manual transmission of a heavy truck when driving at idle speed. N - neutral d d - drive manual shift - downshift low eaton fuller transmissions manual low r selects reverse gear once vehicle speed is less than 2 mph. Eaton fuller 13? The one ive been driving has 1-4, split, 5-8 and then you can split 5-8 as well. Should have mentioned both our trucks have the eaton fuller 8ll. My first suggestion would be to let the rpms drop lower, push clutch in, move it out of gear, kick up the rpms, then shift into lower gear. From eaton fuller heavy duty rt0-6613 series transmission service manual. 976