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China manufacturer Advance Marine Gearbox MB270A double stage worm gearbox

Product Description


MB270A MARINE GEARBOX           MAX.367KW at 2500RPM
Engine Speed:1000~2500RPM
Ratio 4.05 4.53 5.12 5.50 5.59 6.39 6.82
Rate(kw/rpm) 0.147 0.147 0.147 0.134 0.11 0.088 0.088
Bell housing:SAE0,1
Net Weight:675Kg
Flange:SAE 18,16,14 
Options/Comments:PTO device available;Mechanical remote operation
Centre distance:270mm
Engine:NTA-855-M400;CAT 3406TA…


MODEL MAX Capacity speed ratio weight
06 12HP 1000~2000RPM 2.52/ 3.05/ 3.5 58KG
16A 32HP 1000~2000RPM 2.07/ 2.48/ 2.95/ 3.35/ 3.83 84KG
26 67HP 1000~2500RPM 2.5/ 3/ 3.5/ 4 92KG
MA100  37HP 1500~3000RPM 1.6/ 2/ 2.55/ 3.11/ 3.59/ 3.83 75KG
MA125A 82HP 1500~3000RPM 2.03/ 2.46/ 3.04/ 3.57/ 4.05 115KG
MA142A 102HP 1500~3000RPM 1.97/ 2.52/ 3.03/ 3.54/ 3.95/ 4.5 140Kg
40A 82HP 750~2000RPM 2.07/ 2.96/ 3.44 225KG
MB170 132HP 1000~2500RPM 1.97/ 2.52/ 3.04/ 3.54/ 3.96/ 4.5/ 5.06/ 5.47/ 5.88 240KG
HC571 80HP 1500~3200RPM 1.50/ 1.96/ 2.48/ 3.00/ 3.48 70KG
HC038A 121HP 1500~3200RPM 1.51/ 2.03/ 2.52/ 2.92/ 3.45 70KG
HC65 183HP 1000~2500RPM 1.53/ 2.03/ 2.50/ 2.96/ 3.50 130KG
120B 215HP 750~1800RPM 2.03/ 2.81/ 3.73 400KG
120C 340HP 1000~2500RPM 1.48/ 1.94/ 2.45/ 2.96/ 3.35 225KG
MV100A 408HP 1500~3000RPM 1.23/ 1.28/ 1.62/ 2.07/ 2.52/ 2.87 220KG
135A 272HP 1000~2000RPM 2.03/ 2.59/ 3.04/ 3.62/ 4.11/ 4.65/ 5.06/ 5.47/ 5.81 470KG
MB242 350HP 1000~2500RPM 3.04/ 3.52/ 3.95/ 4.53/ 5.12/ 5.56/ 5.88 385KG
HCQ138 390HP 1000~2600RPM 1.03/ 1.28/ 1.5/ 2.03/ 2.48/ 2.95 200KG
HC138 374HP 1000~2500RPM 2.0/ 2.52/ 3.0/ 3.57/ 4.05/ 4.45 360KG
HCD138 374HP 1000~2500RPM 5.05 / 5.63/ 6.06/ 6.47 415KG
HCA138 390HP 1000~2600RPM 1.095/ 1.28/ 1.50/ 2.03/ 2.48/ 3.0 385KG
HC200 440HP 1000~2200RPM 1.48/ 2.00/ 2.28 280KG
HCC200 500HP 1000~2500RPM1.034/ 1.451/ 1.997/ 2.422/ 2.935   400KG
HC201 500HP 1000~2500RPM 2.46/ 2.955/ 3.526 350KG
MB270A 500HP 1000~2500RPM 4.05/ 4.53/ 5.12/ 5.5/ 5.59/ 6.39/ 6.82 675KG
HCQ300 782HP 1000~2300RPM 1.06/ 1.46/ 2.05/ 2.38 350KG
Z300 910HP 750~2300RPM 1.87/ 2.04/ 2.54/ 3/ 3.53/ 4.10/ 4.47/ 4.61/ 4.94/ 5.44 740KG
J300 875HP 750~2300RPM 2.04/ 2.54/ 3.0/ 3.47/ 3.95 740KG
D300A 805HP 1000~2300RPM 4/ 4.48/ 5.05/ 5.52/ 5.9/ 6.56/ 7.06/ 7.63 880KG
T300 759HP 1000~2300RPM 4.95/ 6.03/ 6.65/ 7.04/ 7.54/ 8.02/ 8.47 1120KG
T300/1 611HP 1000~2300RPM 8.94/ 9.45 1120KG
HCA300 850HP 1000~2500RPM 1.50/ 2.00/ 2.57/ 2.95 370KG
M300 805HP 1000~2300RPM 1.45/ 2.00/ 2.52/ 3.05/ 3.45/ 3.94 700KG
MD300 805HP 1000~2300RPM 3.96/ 4.48/ 4.96/ 5.52/ 5.9 940KG
HCQ401 1035HP 1500~2300RPM 1.00/ 1.12/ 1.25/ 1.50/ 1.76/ 2.04/ 2.50 480KG
HC400 810HP 1000~1800RPM 1.50/ 1.77/ 2.04/ 2.50/ 2.86/ 3.0/ 3.42/ 4.06/ 4.61/ / 4.94 820KG
HCD400A  810HP 1000~1800RPM 3.96/ 4.33/ 4.43/ 4.70/ 5.00/ 5.53/ 5.89 1100KG
HCT400A  945HP 1000~2100RPM 6.09/ 6.49/ 6.93/ 7.42/ 7.95/ 8.4/ 9/ 9.47 1100KG
HCT400/1 945HP 1000~2100RPM 8.15/ 8.69/ 9.27/ 9.94/ 10.6/ 11.46/ 12 1500KG
HCQ501 1265HP 1000~2300RPM 1.03/ 1.46/ 2/ 2.45 560KG
HCQ502 1265HP 1000~2300RPM 2.95 700KG
HC600A 1365HP 1000~2100RPM 2/ 2.48/ 3/ 3.58/ 3.89 1300KG
HCD600A  1365HP 1000~2100RPM 4.18/ 4.43/ 4.7/ 5/ 5.44/ 5.71 1550KG
HCT600A  1260HP 1000~2100RPM 6.06/ 6.49/ 6.97/ 7.51/ 8.04/ 8.66/ 9.35 1600KG
HCT600A/1 1260HP 1000~2100RPM 7.69/ 8.23/ 8.82/ 9.47/ 10.8/ 11.65/ 12.57 1700KG
HC701 1285HP 1200~2400RPM 1.93/ 2.58/ 2.90/ 3.26/ 3.01/ 4.60/ 5.17/ 6.18/ 7.00/ 7.47 2000KG
HCQ700 1875HP 1000~2500RPM 1.5~2.5/ 2.78/ 2.96 900KG
HCD800 1530HP 1000~1800RPM 3.427/ 3.96/ 4.391/ 4.905/ 5.474/ 5.889 2200KG
HCT800 1530HP 800~1800RPM 4.95/ 5.57/ 5.68/ 5.93/ 6.43/ 6.86/ 7.33/ 7.84/ 8.4 2700KG
HCT800/1 1530HP 800~1800RPM 6.91/ 7.28/ 7.69/ 8.12/ 8.6/ 9.12/ 9.68/ 10.3/ 10.98/ 11.76/ 12.43/ 13.17/ 13.97/ 14.85/ 15.82/ 16.58/ 20.1 32000KG
HCT800/2 1668HP 1000~1800RPM 13.118/ 13.811/ 14.545/ 15.326/ / 16.157/ 17.044/ 17.991/ 20.267/ 22.176 4000KG
HCT800/3 1460HP 1000~1800RPM 16.56/ 17.95/ 20.2 4200KG
HCW800 1886HP 1500~1900RPM 12.584/ 13.244/ 13.945/ 14.68/ 15.46/15.915/ 16.285/ 17.16/ 17.696/ 18.267/ 19.078/ 19.714/ 20.13 3800KG
HC900 1436HP 1000~1800RPM 1.46/ 2.04/ 2.47/ 3/ 3.6/ 4.08/ 4.63/ 4.95 1600KG
HC1000 1898HP 600~1900RPM 2/ 2.5/ 3.04/ 3.48/ 4.06 1800KG
HCD1000 1898HP 600~1900RPM 3.429/ 3.96/ 4.391/ 4.45/ 4.905/ 5.06/ 5.474/ 5.833 1900KG
HCQ1000 2300HP 600~2300RPM 1.176~2.842/ 3.1 1100KG
HCT1100 1841HP 700~1600RPM 5.6/ 5.98/ 6.39/ 6.85/ 7.35/ 7.9 3000
HCW1100 2280HP 1500~1800RPM 15.882/ 16.546/ 17.243/ 17.973/ 18.740/ 19.547/ 20.395 6000KG
HC1200 2276HP 700~1800RPM 2.03/ 2.476/ 2.5/ 2.96/ 3.55/ 3.79/ 4.05/ 4.2/ 4.47 1840
HC1200/1 2276HP 700~1800RPM 3.74/ 3.95/ 4.45/ 5/ 5.25/ 5.58 2500
HCT1200 2571HP 1000~1600RPM 5.05/ 5.60/ 5.98/ 6.39/ 6.85/ 7.35/ 7.9 3000
HC1250 1654HP 400~1800RPM 2.03/ 2.48/ 3.04/ 3.48/ 3.95 2200KG
HCQ1400 2940HP 1000~2100RPM 1.517/ 2.00/ 2.476/ 3.0 1430KG
HCD1400 2520HP 600~1800RPM 4.04/ 4.27/ 4.52/ 4.8/ 5.045/ 5.5 2800KG
HCT1400 2521HP 600~1800RPM 5.031/ 5.524/ 5.966/ 6.485/ 7.031/ 7.497/ 8.571/ 8.465/ 8.593/ 8.984/ 9.118/ 9.552 3700
HCD2000 3571HP 600~1500RPM 3/ 3.577/ 3.958/ 4.455/ 4.95/ 5.263/ 5.429/ 5.75/ 6.053 4000KG
HCT2000 3019HP 500~1500RPM   4700KG
HCD2700 3903HP 500~1400RPM 3.65/ 4.042/ 4.5/ 5.05/ 5.467/ 6.105/  6000KG


HC138 MARINE GEARBOX           MAX.275KW at 2500RPM

Engine Speed:1000~2500RPM


2.0 2.52 3.0 3.57 4.05 4.45




Bell housing:SAE1,2

Net Weight:360Kg
Flange:SAE 14,11 1/2 

Options/Comments:PTO device available;Mechanical remote operation
Centre distance:225mm

Application: Marine
Layout: Coaxial
Hardness: Soft Tooth Surface
Installation: Horizontal Type
Step: Single-Step
Type: Worm Gear Box

Is a worm gear reducer gearbox right for your application?

If you’re interested in gear reduction and wondering if a worm gear reducer gearbox is right for your application, you’ve come to the right place. This gear reducer gearbox is efficient and compact. In addition, it has small clearances and is easy to install. Let’s take a closer look.
worm reducer

This is a reducer gearbox

Worm reducer gearbox is a type of reduction gear used in machinery. This gear reduces the output speed by changing the ratio of input to output. Gears come in a wide range of sizes and can be made from a variety of materials, including aluminum, cast iron, and stainless steel. Its efficiency depends on the ratio and size of the gears. It is usually used in low speed applications. But it can also be used as an auxiliary braking device for high-speed moving machinery.
When choosing a reduction gear, it’s important to look for models with multiple teeth. Ideally, it will have more teeth than the corresponding sprocket. This will reduce the noise produced by the gears. The maximum number of teeth of the worm gear should be greater than 40.
Worm gears produce less noise and vibration than conventional gears. Also, they are cheaper and smaller than other types of reduction gears. However, worm gears have some limitations that make them less efficient than other types. For example, they do not perform as efficiently as parallel or orthogonal axes, which are much better at transmitting power.
The main disadvantage of worm gears is the difficulty of lubrication. Worm gear reducer gearboxes require more lubrication due to the helical motion of the gears. This means it is less efficient and more prone to wear than a standard gearbox. Helical motion has problems transmitting power and causes sliding friction, also known as sliding wear.
A worm reducer gearbox is a reduction gearbox used to decelerate a high-speed motor to a low-speed output. Worm gear reducer gearboxes produce lower output speeds while maintaining high torque. Its gears are made of bronze or stainless steel and have a right-angle output. The gears are very small compared to other reducer gearboxes, so they can be used in tight spaces and applications where space is limited.


Worm gear reducer gearboxes are an excellent choice for applications requiring high torque and low speeds. These reducer gearboxes are compact, durable and have a long service life. These gearboxes are also compatible with solid and hollow output shafts. This feature eliminates the need for chains or belts, reducing the number of moving parts. Plus, they’re easy to maintain, which means they’re an excellent choice for a variety of applications.
Worm gear reducer gearboxes are also compact, versatile and easy to install. The worm gear itself is made from a single piece of alloy steel. It has a high helix angle and is case hardened and ground for durability. Its six AF hex sockets are designed for easy installation and a wide range of ratios. Worm gear reducer gearboxes are also suitable for manual operation. They are easy to install, compact in design and compatible with a wide range of motors and drives.
Worm reducer gearboxes are often used in industrial settings where a small amount of torque is required to move large objects. They are also useful when space is at a premium. They are compact and easy to install in tight spaces. Worm gears reduce the risk of tripping and are often made of durable materials, making them a popular choice.
Compared with planetary gearboxes, worm gear reducer gearboxes have many advantages. They are quiet, produce less noise, and are more comfortable to use. They are also more energy efficient than their planetary counterparts. Furthermore, they can be combined with other gearboxes and trains to increase their output efficiency.
worm reducer

It is high efficiency

When a worm reducer gearbox is used in a gear-motor, it is critical to note that it is extremely high in efficiency. This type of reducer gearbox is typically much hotter than a hypoid reducer gearbox, which reduces the service life of the gear. The increased thermal stress on the sliding gears results in premature seal wear and leakage. Furthermore, excessive heat causes lubrication to break down and can cause contamination. Helical gear reducer gearboxes are significantly cooler and have a low-maintenance design. Consequently, they can reduce factory downtime and energy costs.
A servo-worm reducer gearbox is an excellent choice for applications requiring high performance, repeatability, and precision positioning. These gear reducer gearboxes have been specifically designed for use with servo motor technology, which provides tight integration of the gear motor. Other advantages of a servo-worm reducer gearbox include reduced angular backlash and longer life.
Hypoid gearmotors offer increased efficiency and allow smaller motors to be used. A 1 HP worm reducer gearbox can produce the same amount of output as a 1/2 HP hypoid reducer gearbox. A Agknx study compared the two types of reducer gearboxes, comparing power, torque, and efficiency. As a result, a 1/2 HP hypoid gearmotor is much cheaper to operate than a 1 HP worm reducer gearbox.
The efficiency of a worm gear reducer gearbox depends on many factors, including the mesh of the gears and losses in the bearings and oil seal lips. The speed and load of the reducer gearbox also have an impact on its efficiency. As a result, worm gear reducer gearboxes should be used with the right type of lubricant.
In a worm gear reducer gearbox, a non-intersecting shaft rotates against a gear, while the output worm gear rotates in a perpendicular direction. This arrangement produces high efficiency while reducing the noise and vibration of the gear motor. This gear reducer gearbox is also quiet and has a low friction coefficient.

It has a low clearance

Worm reducer gearboxes are typically designed with a low clearance, meaning that the worm is not allowed to touch the wheels in the gear arrangement. The lubricant used depends on the size of the gearing, and it is usually ISO 680 or ISO 460. Higher viscosities require special equipment.
Worm gears are popular in machines that need to stop quickly, such as lifts and elevators. The gears and worm are made of a soft material, minimizing backlash and failure rates. They are also popular in heavy-duty machines, such as rock crushers. But while this is an important aspect of their design, there are other factors to consider when choosing a worm gear.
Worm gears have multiple teeth, which allows for greater surface area contact and a better distribution of load. This feature allows for high transmission ratios without sacrificing power. Worm gears can be paired with other gearboxes to increase the overall efficiency of the system.
Worm gears are often used in heavy machinery, including trucks barreling down a deserted highway. They can also be found in packaging machinery, conveyors, and other small machinery. Their unique shape makes them ideal for tight spaces. But they also tend to wear and tear much faster than conventional gears.
worm reducer

It has a high torque to weight ratio

The worm gear reducer gearbox is a versatile gear train that provides a high torque-to-weight ratio. These reducer gearboxes are typically used in applications that require high torque and high gear ratios, such as machine tools. They also have a very compact design, enabling very high gear ratios at low speeds.
Worm gear reducer gearboxes are very quiet, mainly because the input and output shafts are perpendicular to each other. Their low noise level is an advantage compared to planetary gearboxes. Compared with planetary reducer gearboxes, worm gear reducer gearboxes are also relatively cheap.
The worm gear consists of two parts: the helical butt-jointed worm gear and the worm. The screw-butted worm gear is connected to the shaft by a helical thread. The worm gear is a variation of the six-simple machine. The worm is located in the worm wheel, which forces the worm to rotate. It also changes the plane of motion. Worm gears are usually made of steel or brass.
Worm gear reducer gearboxes are one of the most popular types of reducer gearboxes. It provides high torque and high speed ratio in a compact package. These reducer gearboxes are used in many power transmission systems, including elevators, safety gates, conveyor belts, and medical testing equipment.
Worm reducer gearboxes come in a variety of shapes and sizes, including parallel shaft reducer gearboxes and planetary worm reducer gearboxes. They have a high torque-to-weight ratio and are easy to maintain. They are also lightweight and relatively easy to install. This makes them an excellent choice for many applications.
Worms can be assembled using stepped shafts, set screws or dowel pins. However, the worm is subject to a lot of thrust and must be held firmly. This could lead to a rebound. Also, the bearings may come loose and the worm may move. To avoid backlash, make sure the worm gear shaft passes through the midpoint of the worm face width.

China manufacturer Advance Marine Gearbox MB270A   double stage worm gearboxChina manufacturer Advance Marine Gearbox MB270A   double stage worm gearbox
editor by CX