PMP6.5r120 Hydraulic Reducer Used in Concrete Mixer, Speed Gear Reducer for Mixer

• Customization: Available
• Application: Machinery
• Hardness: Hardened Tooth Surface
• Model NO.: PMP 6.5R120
• Installation: 90 Degree
• Layout: Expansion
• Gear Shape: Cylindrical Gear
• Step: Double-Step
• Type: Gear Reducer
• Transport Package: Wooden Box
• Specification: 56*56*68
• Trademark: Bodeke
• Origin: China
• HS Code: 8412291000
• Production Capacity: 300/Month

Product Description

The All - New Mixer Truck PMP 6.5R120 Gearbox: A Technological Marvel in Concrete Mixing

1. Introduction

In the vibrant and ever - evolving construction industry, concrete mixer trucks are the unsung heroes that ensure a continuous and reliable supply of fresh concrete to building sites. At the core of these indispensable vehicles lies the gearbox, and the PMP 6.5R120 Gearbox has emerged as a revolutionary component, setting new standards in the field of concrete mixing machinery. This in - depth exploration will shed light on the design, functionality, performance capabilities, applications, and maintenance aspects of the PMP 6.5R120 Gearbox, highlighting why it has become the go - to choice for construction companies and equipment manufacturers worldwide.

2. Design and Construction

2.1 Robust and Resilient Housing

The PMP 6.5R120 Gearbox features a housing meticulously crafted from high - grade alloy materials. This strategic choice of material is driven by the need to withstand the harsh and demanding conditions prevalent in the construction environment. Concrete mixer trucks operate on rough terrains, are constantly exposed to vibrations, and may encounter impacts from debris. The housing of the PMP 6.5R120 Gearbox is engineered to endure all these challenges. It is designed to be highly resistant to vibrations, which can otherwise cause premature wear and tear of internal components. Additionally, it offers excellent protection against dust and moisture, two elements that can severely compromise the integrity of the gearbox if left unguarded. The thickness and structural layout of the housing are optimized to evenly distribute the mechanical stresses exerted during the operation of the mixer drum. This not only safeguards the internal parts but also significantly extends the lifespan of the gearbox, making it a durable and long - lasting investment for construction companies.

2.2 Precision - Engineered Gearing System

At the heart of the PMP 6.5R120 Gearbox lies a gearing system that is a testament to precision engineering. The gears are fabricated from top - quality steel alloys, which are then subjected to a series of advanced manufacturing processes. Heat treatment is one such crucial process that enhances the hardness and wear resistance of the gears. Given the high - torque loads that the gearbox has to constantly handle during the rotation of the mixer drum, this heat - treated durability is essential. Precision grinding is another key step in the gear manufacturing process. It ensures that the gear teeth have an extremely smooth surface finish and are highly accurate in their dimensions. This precision not only reduces noise and vibration during the gearbox's operation but also boosts its overall efficiency. The PMP 6.5R120 Gearbox typically employs a planetary gear system. This system consists of a central sun gear, multiple planet gears that orbit around the sun gear, and an outer ring gear. The planetary gear configuration offers several advantages over traditional gear systems. It has a high torque - to - size ratio, allowing it to deliver substantial torque while maintaining a compact size, which is highly beneficial for installation in the limited space available within a concrete mixer truck. Moreover, the planetary gear system distributes loads evenly among multiple gears, reducing the stress on individual gears and enhancing the overall reliability of the gearbox.

2.3 Advanced Bearing Assemblies

To facilitate the smooth rotation of the gears and other moving components, the PMP 6.5R120 Gearbox is equipped with state - of - the - art bearing assemblies. These bearings are designed to handle both radial and axial loads with ease, ensuring that the gears remain in perfect alignment and mesh correctly throughout the gearbox's operation. Specialized bearing materials are utilized, often in conjunction with advanced lubrication systems. The lubricants used in these bearings are formulated with anti - wear additives. These additives not only reduce friction between the moving parts but also provide protection against corrosion and contamination, which are common issues in the construction environment. Some bearing designs in the PMP 6.5R120 Gearbox may incorporate features such as pre - loading. Pre - loading helps to minimize play in the bearing system, improving the gearbox's dynamic performance and ensuring that the gears engage smoothly even under fluctuating load conditions.

3. Working Principle

The PMP 6.5R120 Gearbox operates based on a well - defined principle of power transmission and speed reduction. Power is typically supplied to the gearbox from a hydraulic motor. When the hydraulic motor is activated, the input shaft of the gearbox begins to rotate at a relatively high speed. As the power is transmitted through the gearbox, the gears engage with each other in a specific sequence. In the case of the planetary gear system within the PMP 6.5R120 Gearbox, the sun gear drives the planet gears. The planet gears, in turn, rotate around the sun gear and mesh with the outer ring gear. This complex interaction of gears results in a significant reduction in the rotational speed at the output shaft. Simultaneously, the torque available at the output shaft is substantially increased. The gear ratio of the PMP 6.5R120 Gearbox is carefully calibrated, usually around 120:1. This ratio is optimized to meet the specific requirements of a concrete mixer truck. It ensures that the mixer drum rotates at an ideal speed for effective mixing of the concrete. The right rotation speed is crucial for ensuring that the concrete ingredients are thoroughly blended, resulting in a homogeneous and high - quality final product. Additionally, the high torque output from the gearbox is necessary to overcome the resistance of the viscous concrete mixture and the weight of the mixer drum itself, especially when the truck is in motion or when the drum is being loaded or unloaded.

4. Performance Characteristics

4.1 Exceptionally High Torque Output

One of the most remarkable features of the PMP 6.5R120 Gearbox is its ability to deliver an extremely high torque output. This high torque capacity makes it suitable for driving mixer drums of various sizes and weights. Whether it is a small - scale concrete mixer truck used for local construction projects or a large - capacity vehicle deployed in major infrastructure developments, the PMP 6.5R120 Gearbox can provide the necessary power to rotate the mixer drum smoothly and efficiently. For example, in a 10 - cubic - meter concrete mixer truck, the gearbox can generate enough torque to rotate the drum at a speed that ensures proper mixing of the concrete, even when the drum is fully loaded with a heavy concrete mixture. The high torque output also enables the gearbox to handle sudden changes in load. When the mixer truck encounters rough terrain or starts and stops frequently during operation, the PMP 6.5R120 Gearbox can adapt to these changes without compromising the performance of the mixer drum.

4.2 Unparalleled Reliability and Durability

The PMP 6.5R120 Gearbox is designed with reliability and durability as its core principles. The use of high - quality materials in its construction, combined with the precision engineering of its components, contributes to its long - term performance. The gearbox is capable of operating continuously for extended periods without experiencing significant wear or failure. This reduces downtime for the concrete mixer truck, which is of utmost importance in the construction industry where time is money. To ensure its reliability, the PMP 6.5R120 Gearbox undergoes rigorous testing under various simulated operating conditions. These tests include high - load endurance tests, where the gearbox is subjected to maximum load for an extended period to check its ability to withstand continuous stress. Temperature cycling tests are also conducted to evaluate the gearbox's performance under different temperature conditions, as construction sites can experience extreme temperature variations. Vibration tests are performed to ensure that the gearbox can function properly even in the presence of vibrations. All these tests help to identify and rectify any potential weaknesses in the design before the gearbox is released for commercial use.

4.3 High - Efficiency Power Transmission

Efficiency is a key aspect of the PMP 6.5R120 Gearbox's performance. The precision - ground gears and well - designed bearing systems work in harmony to minimize friction and power losses within the gearbox. As a result, a greater percentage of the input power from the hydraulic motor is transferred to the output shaft, which drives the mixer drum. This high - efficiency power transmission not only improves the overall performance of the concrete mixer truck but also has a positive impact on fuel consumption and operating costs. Compared to some older - generation gearboxes, the PMP 6.5R120 Gearbox can achieve a significantly higher power - transfer efficiency. This means that for the same amount of work, the truck consumes less fuel, reducing the overall operating expenses for the construction company. The efficient operation of the gearbox also contributes to a more stable and consistent rotation of the mixer drum, which is essential for producing high - quality concrete. A stable rotation speed ensures that the concrete ingredients are mixed evenly, resulting in a product that meets the required standards.

Technical data of Camray CMR conrete mixer gearbox
Model	6.5R120	7.1R120CP
Max.Output Torque Nm	65,000	65,000
Ratio l=	1:120	1:120
Max.installation angle of Drum	12°	12°
Max.Input speed rpm	2500	2500
Max.Output speed rpm	18	18
Max.Capacity of Drum   m³	8~12	8~12
Weight(without oil)    KG	320	320

Model NO.	6.5R120	Model	6.5R120
Lead Time	5 Days	Transport Package	Standard Export Wooden Case
Colour	as Your Request	Usage	Concrete Mixer
Weight	330KG	Specification	56*56*68
Trademark	Bodeke	Origin	China
HS Code	8483402000	Production Capacity	100 Sets/Month

FAQs about Mixer Truck Speed Reducer

Q1: What is a mixer truck speed reducer?
A1: A mixer truck speed reducer is a mechanical device that reduces the speed of the mixer truck's motor, increasing torque and allowing for more effective mixing. It helps to transfer power from the motor to the mixer drum more efficiently, ensuring smooth and consistent mixing.

Q2: Why is a speed reducer necessary for mixer trucks?
A2: A speed reducer is necessary for mixer trucks because it matches the speed and torque requirements of the mixer drum to the output of the truck's motor. By reducing the speed, the reducer amplifies the torque, allowing the mixer drum to rotate at the optimal speed for mixing, while minimizing wear and tear on the motor.

Q3: How does a mixer truck speed reducer work?
A3: A mixer truck speed reducer typically consists of a series of gears or other mechanical components that transfer power from the motor to the mixer drum at a reduced speed. These gears are designed to mesh together, reducing the speed of rotation while increasing torque. This allows the mixer drum to rotate at a slower, more controlled speed, ensuring effective mixing.

Q4: What are the benefits of using a mixer truck speed reducer?
A4: Using a mixer truck speed reducer provides several benefits. It increases the torque output of the motor, allowing the mixer drum to rotate more effectively and mix materials more thoroughly. Additionally, it reduces wear and tear on the motor by matching the speed and torque requirements of the mixer drum, extending the motor's lifespan. Furthermore, a speed reducer can improve the overall efficiency of the mixer truck, reducing fuel consumption and operational costs.

Q5: How often should a mixer truck speed reducer be maintained?
A5: The frequency of maintenance for a mixer truck speed reducer depends on the specific model and manufacturer's recommendations. However, generally speaking, it is important to perform regular inspections and lubrication to ensure the reducer is operating smoothly and efficiently. Additionally, if any issues or malfunctions are noticed, it is crucial to address them promptly to prevent further damage or downtime. Regular maintenance can help extend the lifespan of the speed reducer and keep your mixer truck operating at peak performance.

Q6: What are the common issues that can arise with mixer truck speed reducers?
A6: Common issues that can arise with mixer truck speed reducers include wear and tear on gears, bearings, and other mechanical components. This can lead to reduced efficiency, increased noise, and ultimately, failure of the reducer. Lubrication issues, such as insufficient or contaminated lubricant, can also cause problems. Regular maintenance and inspection, as well as prompt repair of any issues, are crucial to preventing these common problems and ensuring the reliable operation of the speed reducer.

Q7.Are you manufacturer?  And what's the delivery time?
A7:Yes, we are manufacturer and have our own factory. Generally, its in stock for common models, 25-30 days will be finished and sent to customer in time.

Q8.If we don't find what we want on your website, what should we do?
A8: You can email us the descriptions and pictures of the products you need, We will check whether we can make it.

Q9.How about the inspection and Guarantee of products?
A9:We promise: all products are tested before ship, to confirm it will be working and  in good conditions when customers get. Also, we offer 12-month guarantee, if it doesn't work due to quality issue in the period, we will send spares to repair for free.

Bodeke Industrial Components Co., Ltd. is a leading Chinese company specializing in the manufacturing and maintenance of a wide range of industrial equipment components. Our products find application in diverse sectors, including cement tanker trucks, excavators, rescue equipment for cement trucks, mixers, cranes, hydraulic motors, hydraulic pumps, and other industrial machinery.

Empower your industrial machinery with Bodeke - a leading Chinese manufacturer specializing in the repair and production of a wide range of equipment components.From cement tanker trucks and excavators to mixer trucks,cranes,hydraulic motors,and pumps,our precision-engineered products redefine reliability and performance.Elevate your operations with Bodeke's quality components-your trusted partner in global industrial excellence.
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PLM-9 reducer / gearbox	PMP7.2R129 reducer / gearbox	5423-518 pump	5433-138 motor
CML-10 reducer / gearbox	PMP7.1R130 reducer / gearbox	6423-279 pump	6433  motor
CML-12 reducer / gearbox	PMP7.5R130 reducer / gearbox	4623-552 pump	4633 motor
CML16 reducer / gearbox	PMP7.8R140 reducer / gearbox	5423-518 pump	5433-138 motor
P3301 reducer / gearbox	PMP8.0R140 reducer / gearbox	6423-279 pump	6433  motor
P4300 reducer / gearbox	PMP9YR140 reducer / gearbox	PV22 pump	MF22  motor
P5300 reducer / gearbox	PMP7.5R134 reducer / gearbox	PV23 pump	MF23 motor
P7300 reducer / gearbox	PMP7.5R135 reducer / gearbox	SPV22 pump	SMF22  motor
PLM-7 reducer / gearbox	PMP7.5R136 reducer / gearbox	SPV23 pump	SMF23 motor
PLM-9 reducer / gearbox	PMP6sp reducer / gearbox	PV070 pump	MF070  motor
CML-10 reducer / gearbox	PMP 6.5sp reducer / gearbox	PV089 pump	MF089 motor
CML-12 reducer / gearbox	PMP 7.1sp reducer / gearbox	SPV070 pump	SMF070  motor
CML16 reducer / gearbox	PMP 7.5sp reducer / gearbox	SPV089 pump	SMF089 motor
P3301 reducer / gearbox	PMP 6cp reducer / gearbox	PV110 pump	MF110 motor
P4300 reducer / gearbox	PMP 6.5cp reducer / gearbox	SPV110 pump	SMF110 motor
P5300 reducer / gearbox	PMP 7.1cp reducer / gearbox	PV112 pump	MF112 motor
P7300 reducer / gearbox	PMP 7.5cp reducer / gearbox	SPV112 pump	SMF112 motor
PMB 6.0 reducer / gearbox	575L reducer / gearbox	PV090 pump	MF090 motor
PMB6R100 reducer / gearbox	577L reducer / gearbox	SPV090 pump	SMF090 motor
PMB6.5R120 reducer / gearbox	580L reducer / gearbox	A4VTG71pump	TMM070 motor
PMB7aspR120 reducer / gearbox	575S3W reducer / gearbox	A4VTG90 pump	TMM089 motor
PMB7.1R120 reducer / gearbox	577S3W reducer / gearbox	90C pump	AA2FM63/A2FM90/61W Piston Motor
PMB7YR120 reducer / gearbox	580S3W reducer / gearbox	90A pump	AA2FM80/A2FM90/62W Piston Motor
PMB7.2R129 reducer / gearbox	PM51.2 reducer / gearbox	MA4V090 pump	AA2FM90/A2FM90/63W Piston Motor
PMB7.1R130 reducer / gearbox	PM61.2 reducer / gearbox	PMP P110 pump	90M75 motor
PMB7.5R130 reducer / gearbox	PM71.2 reducer / gearbox	PMP P90 pump	90M100 motor
PMB7.8R140 reducer / gearbox	TMG51.2 reducer / gearbox	PMH P110 pump	MSF85 motor
PMB8.0R140 reducer / gearbox	TMG61.2 reducer / gearbox	PMH P90 pump	PMP M110 motor
PMB9YR140 reducer / gearbox	TMG71.2 reducer / gearbox	A4VTG090HW100/33MRNC4C92F0000AS-0 pump	PMH M90 motor
PMB7.5R134 reducer / gearbox	P58 reducer / gearbox	A4VTG90HW/32R-NLD10F001S pump	PMH M110 motor
PMB7.5R135 reducer / gearbox	P68 reducer / gearbox	A4VTG71 hydraulic piston pump	PMH M90 motor
PMB7.5R136 reducer / gearbox	P70 reducer / gearbox	T90R100-35-20 hydraulic piston pump	A2FO23 PISTON pump
PMB 6sp reducer / gearbox	P75S reducer / gearbox	T90L100 hydraulic piston pump	A2FO16 PISTON pump
PMB 6.5sp reducer / gearbox	P75R reducer / gearbox	T90R75hydraulic piston pump	A2FO18 PISTON pump
PMB 7.1sp reducer / gearbox	P80 reducer / gearbox	T90L75hydraulic piston pump	VB99-17 reducer / gearbox
PMB 7.5sp reducer / gearbox	P90S reducer / gearbox	A11VO40DRG/10R-NPC12N00 PISTON pump	A2FO32/61L-VAB05 PISTON pump
PMB 6cp reducer / gearbox	P90 reducer / gearbox	A11VLO190LRDU2/11R-NZD12K02P-S PISTON pump	HA4VTG090HW/33R
PMB 6.5cp reducer / gearbox	TOP P58 reducer / gearbox	A11VLO190LRDU2+A11VLO130LRDU2 PISTON pump	A4VG125HDMT1/32R-NSF02F021-S Piston pump
PMB 7.1cp reducer / gearbox	TOP P68 reducer / gearbox	A11VLO190LRDU2/11+A10VO28DR/31-K PISTON pump	PK86-BF reducer / gearbox
PMB 7.5cp reducer / gearbox	TOP P70 reducer / gearbox	A11VLO190LRDU2/11L-NZD12K02P-S PISTON pump	VB99-09 reducer / gearbox
PMP 6.0 reducer / gearbox	TOP P75S reducer / gearbox	A11VLO260LRDU2/11R+A10VO28DR/31R  pump	VB99-10 reducer / gearbox
PMP6R100 reducer / gearbox	TOP P75R reducer / gearbox	A11VLO260LRDU2/11R-NZD12K67P-S PISTON pump	ZHP P70 reducer / gearbox
PMP6.5R120 reducer / gearbox	TOP P80 reducer / gearbox	A11VLO260LRDU2/11R-NZD12K02P-S PISTON pump	Ark Transit Mixer Agitator Truck  Concrete Transport Vehicle
PMP7aspR120 reducer / gearbox	TOP P90S reducer / gearbox	A11VLO260LRDH2/11R-NZD12K02 PISTON pump	8413503190
PMP7.1R120 reducer / gearbox	TOP P90 reducer / gearbox	A10VO28DR/31R-VSC12K01 PISTON  pump	8412291000
ZTS P68 reducer / gearbox	ZHP P75S reducer / gearbox	A4VG180HD1MT1/32R-NSF02F021-S PISTON pump	8708919000
ZTS P70 reducer / gearbox	DD33-MF reducer / gearbox	A7VO55LRDS/63L-NZB01-S PISTON pump	8483402000
ZTS P75S reducer / gearbox	ZHP P68 reducer / gearbox	Concrete Mixer Truck  Mixer Drum  Cement Mixer	SAUER,Bonfiglioli,TOPUNIOU,KYB,REXROTH, , ,PMP