Another way is to count “1,2,3,” this will give you the time frame required for the gears to mesh without clashing or grinding. If you make the change too quickly the gears will clash and you’ll hear the grinding sound, so one of the easiest way to ensure a smooth change is to say to yourself: “Out wait in” as you are changing gear, and move the stick into gear as you say “in”. When you make a step change, (the next gear in progression) the emphasis is on making the change quickly (on a count of 1,2). It is important that when skip changing you do not attempt to put the gearstick into gear too early. Or from 2nd to 4th, from 4th to 6th from 6th to 8th (All the even gears are in the rearward part of the shift pattern). You can skip from 1st to 3rd from 3rd to 5th, from 5th to 7th (All the odd gears are in the forward part of the shift pattern). from left to right and right to left (Not fore and aft) Skip changing is always done by moving the gearstick in the same plane, i.e. Nonetheless, it does take some practice time to shift smoothly.Remember. REMEMBER: Learning to shift an 18 speed transmission pattern is not difficult. Box 4013 Kalamazoo, MI 49003 Please specify shifting controls used and transmission model number when making request. If it has been lost, a replace-ment may be obtained by writing to: Eaton Corporation Truck Components Global Marketing Services P.O. It depends on the weight of the load, terrain and several other factors. Shift Pattern Diagram A shift pattern diagram should be in your vehicle. There are 15 forward gears in 3 ‘H Positions’įor the average driver, many of these gears will never be used.High Quality Aftermarket Replacement Part (Not OEM). Pick up one of our stainless steel shift. It’s easy to get a heavy load rolling without abusing the clutch. Warranty On Shift Knob Against Defects In Workmanship & Material From Date Of Purchase. Rockwood Eaton Fuller stainless steel shift pattern plate - 13 Speed Double Overdrive. In this situation, the 3 low forward starting gears of the 18 speed, are just the ticket to a smooth start. I will cover some of the other transmissions, but for the most part 13- & 18-speed transmissions. Or maybe you are trying to get a set of loaded B trains going from a dead stop after chaining up on a grade. And this particularly is directed towards 13- and 18-speed transmissions. There may be times when you’re trying to lift a heavy load from a dead stop.There are 3 reverse speeds in reverse.This is the best way to understand the positioning of all 18 gears. The 15 uses a 10 speed pattern, it can be a standard H pattern or a horse shoe pattern with the last 2 gears turned around. This is a very simple basic diagram of the shifting pattern of an 18 speed transmission. Related > 5 Tips For Truckers For Effective Use of Cruise Control 18 Speed Transmission Shift Pattern Diagram (Gear Pattern) There are plenty of other gears in between. The driver uses second, third, fourth, and fifth, then splits up into high range and then shift the H pattern again for sixth, seventh, eighth and ninth gear.The easiest way to become familiar with the 18 speed is to practice shifting in an H pattern. The 18 speed transmission is laid out in an ‘ H’ pattern. ![]() Related > How to Float Gears in a Semi Truck Steps to Shifting an 18 Speed Transmission In that case, they can be split up or down accordingly, matching the RPM’S to the engine’s sweet spot.ĭrivers who like floating gears should like the 18 speed, as 12 of the 18 gears available do not require moving the shifter, as they are split gears. The more a driver practices, and the more experience he gains, he may find that the gear being used, may not be quite the right one for where he wants the RPM’S to be. It might sound a bit complicated at first, but it’s really not. There are plenty of other gears in between, as all main gears have a high range and low range, so that the driver can split any of the gears, twice more. After reaching ninth gear, split up to overdrive for the top gear.Is easier when RPMs are When shifting Grip the shifter. Then, shift the H pattern again for sixth, seventh, eighth and ninth gear. hi-R 7 9 lo-R 2 4 Downshifting Pre-Select Light Touch Shifting Mistake. The driver uses second, third, fourth, and fifth, then splits up into high range.The 18 speed transmission is laid out in an ‘ H’ pattern. 13 or 18 15 or LL 13 or 18 15 or LL 13 or 18 15 or LL 10 10 10 9 or 10 Back Box Size Valve Output Shaft 1 2 3 Spline 4 Back Box Design Series Speed 6 7 Heavy Duty Heavy-Duty and FR Models FR Models T TX RT RTF RTO RTOF RTX RTXF RTLO FR FRF FRO FROF FRLO Eaton® Fuller® Model Designation Prefix: Ratio Set.
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