PMP6.5r120 Concrete Truck Mixer Motor Reducer Gearbox for PMP, 6.5r120cp/7.1r120cp Gearbox for Mobile Mixer

• Customization: Available
• Application: Machinery
• Hardness: Hardened Tooth Surface
• Model NO.: PMP6.5R120
• 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 PMP 6.5R120 Gearbox: A Powerhouse for Mixer Trucks

1. Introduction

In the realm of concrete mixer trucks, the gearbox is a critical component that directly impacts the efficiency and reliability of the vehicle. The PMP 6.5R120 gearbox, offered by Power Transmission Solutions (PMP), has emerged as a leading choice in the construction equipment industry. This gearbox is specifically engineered to meet the demanding requirements of concrete mixing operations, ensuring smooth and consistent performance.

2. Design and Construction

2.1 Robust Housing

The PMP 6.5R120 gearbox features a housing constructed from high - quality materials, typically a durable alloy. This housing is designed to withstand the harsh operating conditions of a concrete mixer truck, including vibrations, shocks, and exposure to dust and moisture. The robust housing not only protects the internal components but also contributes to the overall longevity of the gearbox. Its design allows for easy installation and maintenance, minimizing downtime for the mixer truck.

2.2 Precision - Engineered Gearing System

The heart of the PMP 6.5R120 gearbox lies in its precision - engineered gearing system. The gears are made from high - strength steel alloys and undergo advanced manufacturing processes, such as heat treatment and precision grinding. Heat treatment enhances the hardness and wear resistance of the gears, enabling them to handle high - torque loads over extended periods. Precision grinding ensures smooth gear meshing, reducing noise and vibration during operation. The gearbox typically employs a planetary gear system, which offers several advantages. Planetary gears are known for their high torque - to - size ratio, compactness, and ability to evenly distribute loads. In the PMP 6.5R120 gearbox, the planetary gear system consists of a central sun gear, multiple planet gears orbiting around the sun gear, and an outer ring gear. This arrangement allows for efficient power transmission and a high reduction ratio, which is crucial for driving the mixer drum at the required speed and torque.

2.3 Advanced Bearing Systems

To support the smooth rotation of the gears and other components, the PMP 6.5R120 gearbox is equipped with advanced bearing systems. These bearings are designed to handle both radial and axial loads, ensuring proper alignment and reduced wear. High - quality bearing materials and lubrication systems are used to minimize friction and extend the lifespan of the bearings. Some bearing designs in the PMP 6.5R120 gearbox may incorporate features such as pre - loading, which helps to eliminate play and improve the gearbox's dynamic performance.

3. Working Principle

The PMP 6.5R120 gearbox operates based on the principle of power transmission and speed reduction. Power is typically supplied to the gearbox from a hydraulic motor. When the hydraulic motor starts, the input shaft of the gearbox rotates at a relatively high speed. The gears within the gearbox engage and transfer this rotational power. In the case of the planetary gear system, the sun gear drives the planet gears, which in turn rotate around the sun gear and mesh with the outer ring gear. This complex gear interaction results in a significant reduction in the rotational speed at the output shaft, while simultaneously increasing the torque. The gear ratio of the PMP 6.5R120 gearbox is carefully calibrated, usually around 120:1. This ratio is optimized to provide the right amount of torque and speed for driving the mixer drum. The output shaft of the gearbox is connected to the mixer drum, and the high - torque, low - speed rotation of the output shaft ensures that the concrete in the drum is effectively mixed.

4. Performance Characteristics

4.1 High Torque Output

One of the standout features of the PMP 6.5R120 gearbox is its high torque output. This allows it to drive mixer drums of various sizes and weights with ease. Whether it's a small - to - medium - sized mixer truck used for local construction projects or a large - capacity vehicle employed in major infrastructure developments, the PMP 6.5R120 gearbox can deliver the necessary torque to rotate the mixer drum smoothly. For example, in a 10 - cubic - meter concrete mixer truck, the PMP 6.5R120 gearbox can generate sufficient torque to overcome the resistance of the concrete mixture and the weight of the drum, ensuring proper mixing. The high torque output also enables the gearbox to handle sudden changes in load, such as when the mixer truck starts or stops, or when it encounters rough terrain.

4.2 Reliability and Durability

Designed for the demanding environment of the construction industry, the PMP 6.5R120 gearbox is highly reliable and durable. The use of high - quality materials, precision engineering, and advanced manufacturing processes contribute to its long - term performance. The gearbox is able to operate continuously for extended periods without experiencing significant wear or failure. This reduces downtime for the mixer truck, which is crucial in the construction business where time is money. Additionally, the PMP 6.5R120 gearbox undergoes rigorous testing before it is released to the market. These tests include high - load endurance tests, temperature cycling tests, and vibration tests, among others. These tests ensure that the gearbox can withstand the harsh conditions it will encounter in real - world applications.

4.3 Efficiency

The PMP 6.5R120 gearbox is engineered to be highly efficient in power transmission. The precision - ground gears and well - designed bearing systems minimize friction and power losses, allowing a greater percentage of the input power to be transferred to the output shaft. This not only improves the overall performance of the mixer truck but also helps to reduce fuel consumption. A more efficient gearbox means that the hydraulic motor doesn't have to work as hard to drive the mixer drum, resulting in lower energy consumption. This is not only beneficial for the operating costs of the mixer truck but also for the environment, as it reduces emissions.

Technical data of Camray CMR conrete mixer gearbox
Model	6.5R120	7.1R120
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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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
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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
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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