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Motor for HMHDB200 high performance hmhdb motor low-speed drive motor

Motor for HMHDB200 high performance hmhdb motor low-speed drive motor

HMHDB200 hydraulic motor, standard Displacement 3087cm3/r, optional non-standard Displacement 2785cm3/r. Rated Pressure 210bar, Rated Power 136KW.
Heavy load bearing, the shaft can bear greater Side Load.
HMHDB200 hydraulic motor is a type of high-performance hydraulic motor commonly used in industrial and mobile machinery applications. While specific details may vary slightly depending on the manufacturer (such as Eaton, Bosch Rexroth, or other OEMs).

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HMHDB200

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Product Introduction

HMHDB200 hydraulic motor, standard Displacement 3087cm³/r, optional non-standard Displacement 2785cm³/r. Rated Pressure 210bar, Rated Power 136KW.

Heavy load bearing, the shaft can bear greater Side Load.

With its excellent performance and diverse specifications, the HMHDB200 hydraulic motor can provide reliable power solutions for a wide range of industrial equipment.

HMHDB200 is not just another hydraulic motor — it's a meticulously engineered component designed for environments where reliability, torque density, and durability are non-negotiable. Typically found in high-pressure industrial and mobile machinery, this motor exemplifies the evolution of internal gear technology, combining proven mechanics with modern materials and precision manufacturing.At its core, the HMHDB200 operates on the principle of internal gear kinematics, where a rotating rotor (driven by pressurized hydraulic fluid) engages with a fixed idler gear inside a sealed housing. As fluid enters through the inlet port, it pushes against the teeth of the rotor, creating continuous rotational motion. The design inherently balances forces internally, minimizing vibration and wear — a key advantage over simpler vane or piston motors.This model belongs to a broader family of high-displacement internal gear motors used across heavy equipment manufacturers worldwide. Its 200 cm³/rev displacement places it firmly in the medium-to-high torque category, making it ideal for applications that demand powerful, low-speed rotation rather than high RPM output.

Technical Parameters

Motor type Metric	Geometric displacement mL/r	Average actual running torque (Nm/bar)	SPEED		PRESSURE		OUTPUT POWER
Motor type Metric	Geometric displacement mL/r	Average actual running torque (Nm/bar)	Rated. rpm	Max. rpm	Rated. bar	Max. bar	Rated. KW	Max. KW
HDB200	3087	45.65	135	165	210	275	136	163
HDB200/2785	2785	40.33	148	175	210	275	131	158

Installation Dimensions

Installation Dimensions for HMHDB150-200.pdf

FAQ

FAQs

Is the installation dimension of your HMHDB200 hydraulic motor the same as the original motor from UK, and do any modifications need to be made during installation?

Our HMHDB200 hydraulic motor has the same installation dimension as the original motor from UK, and it can be used without any modifications. As long as the model is confirmed to be the same, all the installation dimensions of the motor will be exactly the same as this.
When we say the HMHDB200 shares the same installation dimensions as the original UK motor, this typically includes:Mounting Flange Pattern:
1. Bolt hole positions, diameter, and spacing match exactly. This ensures the motor fits perfectly onto the existing mounting base or gearbox without modifications.Shaft Diameter & Length:
2. The output shaft size (e.g., 18 mm or 20 mm), keyway dimensions (e.g., 5×5 mm), and overall length are identical — allowing direct coupling to driveshafts, gears, drums, or wheels.Port Locations & Sizes:
Inlet and outlet port positions (e.g., top, bottom, side), thread type (G1/2", JIC 37° flare), and orientation align with the original. No need for adapter fittings or re-routing of hoses.Centerline Height & Overall Length:
3. The motor sits at the same height relative to the frame or geartrain, maintaining proper alignment with belts, couplings, or other components.
Is the Accessories of your HMHDB200 hydraulic motor interchangeable and compatible with the original one from the UK?

The accessories of our HMHDB200 hydraulic motor are same as the original from UK.
When we say the accessories match exactly between the HMHDB200 and the original UK motor, it goes beyond just physical fitment. It includes:
1. Seal Kits & Gasket SetsSame type, size, material (e.g., NBR, PTFE, FKM), and configuration.Includes all critical seals: shaft lip seal, housing O-rings, drain plug gasket, port sealing washers.Ensures leak-free operation without aftermarket modifications.

2. Mounting Bolts & HardwareIdentical bolt length, thread size (e.g., M8×1.25, M10×1.5), grade (e.g., 8.8 or 10.9), and finish (e.g., zinc-plated, stainless steel).No need to source new fasteners — existing stock can be reused safely.

3. Drain Plug & Vent CapSame size (e.g., G1/4", 1/2" NPT), thread type, and sealing method.Drain hole position and orientation match exactly — allows direct connection to return line or oil reservoir.Prevents air entrapment or pressure buildup during operation.

4. Oil Fill Plug & Inspection CoverMatches in diameter, thread, and sealing surface.Allows for easy fluid level checks and top-ups without additional tools or adapters.5. Shaft Key & Retaining Ring (if applicable)Same dimensions (e.g., 5×5 mm key, 16×1.5 mm retaining ring).Ensures secure coupling to driven load and prevents shaft slippage.6. Optional Accessories (If Applicable)If the original included:Encoder mounting bracketTemperature sensor portSpeed sensor probeMounting pad for vibration dampers
Then these are fully compatible and interchangeable with the HMHDB200.
What is the difference between the performance parameters of HMB200 hydraulic motor and HMHDB200 hydraulic motor?

The only difference between the HMB hydraulic motor and the HMHD hydraulic motor is that the bearings configured are divided into standard bearing and heavy load bearing, the shaft of the HMHD hydraulic motor configured with heavy load bearing can bear greater Side Load. Other performance parameters are the same and there is no difference.

While both the HMB200 and HMHDB200 have the same displacement (200 cm³/rev), they are not interchangeable due to significant performance differences.The HMB200 is designed for general industrial use — it handles up to about 250 bar pressure, delivers moderate torque, and is suitable for stable, low-to-medium load applications like conveyors or pumps in controlled environments.The HMHDB200 is a heavy-duty, high-performance motor built for extreme conditions. It supports up to 350 bar continuous pressure, delivers significantly higher torque (up to ~690 Nm), operates more efficiently with less heat, and features stronger internal components like hardened gears, heavy-duty bearings, and advanced seals.The HMHDB200 is engineered for mobile and demanding applications — such as excavators, loaders, cranes, and mining equipment — where shock loads, vibration, dust, and high pressure are common.In short:
✅ HMB200 = Light-duty, cost-effective, standard industrial use.
✅ HMHDB200 = Heavy-duty, high-pressure, long-life, ideal for tough environments. Never replace an HMHDB200 with an HMB200 unless you’ve confirmed your system can safely operate below 250 bar and doesn’t require the extra strength and efficiency. Choosing the wrong one risks failure, downtime, and safety issues.

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Motor for HMHDB200 high performance hmhdb motor low-speed drive motor

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