truck rear end ratios
The standard 2021 Ram 1500 axle ratio of 321. Eaton single axle differentials.
Toyota Truck Axle Width
The most popular rear-end ratio in trucks today is the 355 which sort of averages towing power and fuel economy.
. Considering that the drive-axle ratio impacts a trucks available top. Two common base axle ratios for trucks are 308 and 342. This is a good ratio for the occasional towing or hauling individual.
A 373 ratio is suitable for regular light towing. FIGURING REAREND GEAR RATIO Ring Pinion FORMULA. Usually the Detroits like it around 1400-1550 or so is a good range.
- 336 355 370 390 411 433 456 488 and 529. Count the number of teeth on the ring gear and the pinion. Definitely going to order the high output Cummings still deciding on dual or single rear wheels as well as the rear axle gear ratio.
Not all the carriers are the same size and not all carriers have the same bolt patternnumber. These ratios are determined by the number of teeth on the pinions which impact the number of turns the axle makes. If we have a 411 axle ratio a 30-tooth over a 22-tooth QC ratio being 13636 then.
8 DETROIT LOCKER. 9 TRACK LOC. A semi truck using a gear ratio of 226 would have good fuel economy and sufficient power for small tasks however it would lack a great deal of.
Dc402p dc461p eaton rear with traction control. A 41 ratio allows a towing vehicle to start moving without as much throttle. The axle gears are a part of the differential and are located behind the inspection cover on your axle.
Most class 8 semi trucks have a gear ratio of between 226 and 3361. 2000 RPM 65693811 3041. Divide the number of the ring gears teeth by the number of the pinions teeth.
The best ratio is to have your engine run at the sweet spot RPM at the speed you will be running most of the time. The standard axle ratio found in a GMC truck or SUV has been carefully selected according to the vehicles specific body style and engine in order to provide the best all-around mix of performance towing strength and efficiency. The differential ratio is stamped on the bottom of the pumpkin.
These are not the only ratios however. For example the 2021 Ram 1500 is sold in three axle ratios 3211 3551 and 3921. CHEVROLET ONLY Fits 55 1st series thru 62.
The Role of GVWR and GCWR in Specing Work Trucks. 1800 RPM 65693811 2731 x 130 3541. Much has changed over the past 5 years or so with axle ratios.
Method 1 requires that you take apart your differential but there many be an easier way. What is a Rear End Gear Ratio. Engine RPM Cruise Tire Revolutions Per Mile Rear-end Gear Ratio EXAMPLE Without Overdrive.
How axle ratio impacts towing capacity. The reasons why make perfect sense with a little bit of insight. When you hear car drivers refer to numbers such as 3081 3731 or even 4101 they discuss the ring-and-pinion gears ratio within the rear axle.
Edmunds guide to axle ratios cites the Ram 1500 for figures. 15040s 19050s 22121 23121. This will give you the axle ratio.
I am in the process of making some decisions on what to order with the new truck. Complete detailed instructions included. When you multiply the two ratios it equals the final drive ratio.
H01 Rear Axle 307 H04 Rear Axle 411 H05 Rear Axle 373 H12 Rear Axle Eaton 21065S -- H42 Rear Axle 617 H43 Rear Axle 543 HA3 Rear Axle 529 HC4 Rear Axle 456 HC7 Rear Axle 7500 Lbs 238 HC8 Rear Axle Truck 321 HC9 Rear Axle 513 HE3 Rear Axle 3500 Lbs 307 HE4 Rear Axle 340 HF7 Rear Axle Dana 70 456 HF8. Each one affects the trucks towing capacity. That said if you regularly tow heavy trailers.
Any thoughts or experiences greatly appreciated. EXAMPLE With Overdrive 30. Fits stock drive line.
To find this number we divide the tire circumference by the drive ratio. For instance the 3421 ratio included on many Canyon V-6 and Sierra 1500 models offers a good all-around blend. This sounds very good will it work on my 1954 chevy truck 3100 with the 4 speed hydromatic transmission.
198 rows If you have a 342 rear end ratio and need more towing power you would switch to a. If you plan on towing a fifth-wheel trailer or anything heavier than 5000 pounds you should consider a 41 axle ratio. There are often more than a dozen options to choose from with drive-axle ratios ranging from as low as 2691 to as high as 7171 - with 10-12 ratios in between - depending on the truck class make and model and rear-axle capacity.
You may have a 11 bolt battern or 10 on your truck. 1800 RPM 65693811 2731 EXAMPLE Without Overdrive. There are two different spline counts out there too.
C10 C20 C30 K10 K20 K30 P10 P20 P30. The axle ratio is derived from dividing the number of teeth on the ring gear by the number of teeth on the pinion gear. Rs381 rs401 rs402 rs404 rs460 rs461 rs480.
This calculator will provide the speed of the vehicle based on transmission gear ratio engine RPM tire height and the ring gear and pinion gear ratio in the rear end axle differential housing. C 2wd pickups cab n chassis and Blazer Suburban K 4wd pickups cab n chassis and Blazer Suburban and the P model line is Chevy Vans. Eaton single axle two speed differentials.
Eaton front with traction control. GM Light Duty Truck Service Manuals cover the following models. For a 373 ratio there may be 41 teeth on the ring gear and 11 on the pinion for 372.
With our new 338 to 1 ratio ring and pinion you can cruise at 65 mph. If you run the east coast mainly then 65 if you run out west allot the 70 or 75 in the sweet spot. Please refer to the Gear Ratio Calculator to determine your rear end axle.
Sent from my Moto Z 2 using Tapatalk. 8 TRACK LOC. 9 DETROIT LOCKER.
This calculator assumes you know the vehicles transmission ratio. For a person who tows more often and heavier loads the 373 or 410 may be more appropriate. Most automobiles use gear ratios in the drive axle and the transmission to multiply power.
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