A hub reduction gear of a drive axle and a method of providing a hub reduction gear. This product range is highly suitable for nearly all commercial categories, in urban areas or overland, from delivery to heavy trucks. Dec, 2016 a hub reduction gear of a drive axle and a method of providing a hub reduction gear. The hub reduction gear may include a plurality of bevel planet gears in mesh with a bevel sun. Model listing model information tandem axles load capacity d40145 40,000 lbs 18,144 kg d 40 1 4 5 x d dual drive forward axle with interaxle differential r dual drive rear axle options. Single reduction differential carriers single rear drive axles, rearrear tandem drive axles and front drive steer axles maintenance manual 5a rs and rt series single reduction axles single, rear of tandem mx and rf series front drive axles revised 0203.
For brake information and axle mounting or suspension systems, refer to pertinent truck manufacturers literature. Understand the procedures for removing and replacing axle bearings and seals. Support the wheel hub 18a and remove the planetary ring gear assembly 14a. Dec 27, 2017 totally depends on the vehicle in question. Ive got some regular pictures of the inside gears ill have to scan someday. Ds404p dd404p item description qty ds344 ds405p dd405p notes.
In the past, mobile home axle hubs were frequently adapted and repurposed for trailers and even trucks. The top countries of supplier is china, from which the percentage of hub reduction axle supply is 99% respectively. A drive axle in a truck or military vehicle or a rear wheel drive car provides the final gear reduction from the propellor shaft before transferring the power into the road wheels. Dec 21, 2009 it was a leyland trademark,the hub reduction axle. Today, however, many of these uses are prohibited by law in various states. The purpose of the skewer is to simply clamp the legs of the fork to the hub. This results in good operational safety even at extremely. Terms in this set 22 differentials axles can be installed in. I have seen quite a few trucks about that have planetary gear reduction hubs on their rear axles. Front wheels are mounted on stub axles arrangement for steering is connected to stub axles. As commonly built, fullfloaters are considerably heavier, but also much stronger. Join 7,330,000 engineers with over 4,190,000 free cad files join the community.
Identify the parts of the rear drive axle and front drive axle. Reduction gear is an arrangement by which an input speed can be lowered for a requirement of slower output speed, with same or more output torque. Meritors mc27610 series planetary axle is a doublereduction axle. Model listing model information tandem axles load capacity d40145 40,000 lbs 18,144 kg d 40 1 4 5 x d dual drive forward axle with inter axle differential r dual drive rear axle options. Rear axle rs65hv rs65hv is a solo axle with hub reduction that is specially designed for volvo fm 4x4. Mobile home axle hubs can be converted by changing the axle hub and adding a wheel adapter.
The rear axle is designed for a maximum engine torque of 2400 nm and is intended for heavy construction driving or for heavy, longhaul transport with combined vehicle. Double reduction gear axle inboard planetary final drives distribute axle loads evenly to reduce stress on individual gears and shafts. Chapter 11 drive lines, differentials, drive axles, and. The complete bike hubs buying guide chain reaction cycles. Instructions contained here in are applicable to all axle models, unless specified ot herwise. Ground gearing is used in both the carrier and wheel end to minimize the potential for gear noise.
Throughout the manual, axle series identification is used to indicate variances between. Series 2speed double reduction 15 15201 15301 16 16244 16344 17 17201, 17221 17301, 17321 18 18201, 18221 18301, 18321 21 21221 221 22 22221, 22223 22321 23 23221 23321 26 26221 26321 30 30227 30327 35 35327 note. Pour a pint of standard axle lubricant into the hub through the cavity filler hole provided. Rth3210f is a tandem axle with hub reduction, dimensioned for an engine. Noise reduction in an ev hub drive using a full test and. Axle design variation indicates axle design level or variation, e. Capacity variations are achieved by combining basic differential carrier assemblies with different axle housings, axle shafts and wheel equipment. In trucks, a hub reduction axle provides additional gear reduction or torque multiplication. Double reduction dana spicer drive axles service manual axsm0040 july 1995. In a rear axle with hub reduction, the gear reduction takes place in two steps.
The objective of this work was to analyse the current design of the tractor front axle and evaluate the proposed designs for reduction in weight and for better manufacturability. Rear axle rs65hv rs65hv is a soloaxle with hub reduction that is specially designed for volvo fm 4x4. The article noise reduction in an ev hub drive using a full test and simulation methodology appeared in the may 2016 issue of gear technology. This manual has several features which make it easy to use online. This is normally achieved by a pinion and crown wheel gear set.
Rear hub reduction sign up for our newsletter sign up to receive coupons, discounts and the product updates. Rear axle rth3210f 20140310 eng version 02 hub reduction with high reliability rth3210f is fitted with reduction gears in each hub. We use our customers experience, their requirements and demands as an essential precondition in the development and technology of new axle concepts. Remove the outer wheel bearing cone 16a from the ring gear hub. This reduces load on the axle crownwheel and differential. Understand basic service operations on a transfer case. A drive axle in a truck or military vehicle or a rear wheel drive car provides. The hub reduction gear may include a plurality of bevel planet gears in mesh with a bevel sun gear, a planet carrier adapted to drive a vehicle wheel. A rear axle that drives the vehicle and is a full floating axle uses drive plates that attach to the wheel hub and axle to drive the vehicle. This allows for a smaller carrier ring gear and a lower bus floor.
A wide variety of hub reduction axle options are available to you, there are 1,098 suppliers who sells hub reduction axle on, mainly located in asia. All of company axle bearing and hub assemblies are direct replacements for a proper fit. O delivers superior axle performance due to our proven planetary wheelend hubreduction design. The maximum axle loading is 33 tons and the combination weight is 120 tons. This is a chip forming heavy video about weight reduction on some axles and trying to maintan my ideal chip. The cross is free to rotate inside the caps and yokes. Refer to meritor maintenance manual 1 for complete procedure. The information contained in this manual was current. With a traditional quick release style hub, the hub itself actually rests in the dropouts of the fork and is in no way supported by the quick release skewer. This trainer provides the instructor with a fully sectioned truck rear axle, for group or wholeclass demonstration. Used to indicate a different carrier assembly than standard like no. The single reduction axle is perhaps the most common and basic type of gear system used in todays heavyduty trucks. Out of production single reduction axles canada wide parts.
On the 24 hub axle, the reduction at the hub was 4. Help planetary hub reduction truck rear axles other. As the torrent of water dried up for the first time in thousands of years. A good idea because the differential could be smaller lighter, more ground clearance. Singlereduction differential carriers heavyduty axles. Wheel bearings in the form of maintenancefree unit bearings. May 04, 2010 with a traditional quick release style hub, the hub itself actually rests in the dropouts of the fork and is in no way supported by the quick release skewer. Factsheet rear axle rt3312 rt3312 is a tandem axle with hub reduction, dimensioned for an engine torque of 3550 nm. Ingersoll rand vr843 pages 1 50 text version fliphtml5. Axle design variation indicates axle design level or. The first reduction is in the carrier, and the second reduction is in the planetary wheel end. Hub reduction gear of an axle meritor heavy vehicle systems. It is the most forward axle as part of the support of the vehicle. Apr 24, 2020 a rear axle that drives the vehicle and is a full floating axle uses drive plates that attach to the wheel hub and axle to drive the vehicle.
All automobiles, tracked vehicles, even motocycles, has a front axle. Full floating axle the weight of the vehicle is supported by the axle housing more specifically, a bearing spindle attached to the axle housing, and a set of bearings in a separate wheel hub. Apr 15, 2016 a drive axle in a truck or military vehicle or a rear wheel drive car provides the final gear reduction from the propellor shaft before transferring the power into the road wheels. With thruaxle hubs, the wheels are supported by the skewerbar which comes included with thruaxle forks. What is the difference between this scania 6x4 axle. Support the wheel hub while removing the planetary ring gear and hub assembly. Unit 7 front axle and steering front axle and steering. Rt3312 consists of two spiral bevel single gear units, with a distribution gearbox in the forward rear axle. Does anyone out there know what the ratios of the diff and the hubs would be, and are there any pics about of how they work and transmit the drive from the prop shaft to the wheels. King pins is fitted in the front axle beam eye and is located and locked there by a taper cotter pin. Torque is transmitted by a separate axle shaft that carries no weight.
Sectioned truck rear axle with reduction hubs trainer. Used in competition, this style of axle is used so that the wheel will not leave the vehicle in the event of a broken axle. Indicates a bigger ring gear version such as h170 and r. Rear axle ctn372 the ctn372 is a tandem axle with hub reduction, consisting of two spiral bevel single reductions and a transfer gear located in the forward rear axle.
The trainer is mounted on a selfcontained steel frame and base plate, complete with castors. O provides increased ground clearance for enhanced. The high speed incoming motion from the wheel work is transmitted to the set of rotating gears, wherein the motion or torque is changed. In a rear axle with hub reduction, the gear reduction takes place in two. Front axle of tractor is one of the major and very important component and needs very good design as this part experiences the worst load condition of the whole tractor. Portal axles or portal gear lifts are an offroad vehicle suspension and drive technology where the axle tube or the halfshaft is offset from usually above the center of the wheel hub and where driving power is transferred to each wheel via a simple gearbox, built onto each hub. This means that the load is split up and there is little load on the driveshafts and the final drive. All of company axle bearing and hub assemblies are direct replacements for. Many large trucks, trailers and competitionstyle vehicles utilize a full. Chapter 11 drive lines, differentials, drive axles, and power. Enclosed is a drawing from the 1920s model 45 truck axle, a picture of the outside of my 1932 24 hub axle. How to survive alone in the wilderness for 1 week eastern woodlands duration. A planetary gearset transmits the motion to the fully floating hub.
Revised 22006 out of production single reduction axles. If the hub is allowed to tilt, the wheel hub seal may be damaged. A reduction gear assembly consists of a set of rotating gears connected to a wheel work. Summary with the ongoing push towards electric vehicles evs, there is likely to be increasing focus on the noise impact of the gearing required for the transmission of power from the highspeed. Maintenance manual mm0727 mc27610 planetary drive axle. With thru axle hubs, the wheels are supported by the skewerbar which comes included with thru axle forks. Terms in this set 22 differentials axles can be installed in a variety of combinations or arrangement. Featuring a solid steel construction, the product is vehicle tryon tested for longlasting performance and proper fit. Provides longer life with less service and maintenance worries than outboard planetary systems.
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