Danfoss Eaton Char-Lynn 158-4088-001 hydraulic motor Hydraulic Torque Motor0 MT0119AA02AC0000070000000AA00A

Product Overview

The 158-4088-001 bearingless geroler orbit hydraulic motor is a universal heavy-duty aftermarket replacement part for original Eaton Char-Lynn 158 series hydraulic drive assemblies, cross-compatible with Danfoss MT0119AA02AC0000070000000AA00A equivalent hydraulic motors, widely applied on heavy intermittent-load hydraulic machinery including skid steer loaders and winter snow removal attachments.

It adopts mature integrated balanced geroler disc valve design, which converts high-pressure hydraulic oil into smooth ultra-high low-speed torque rotary power. All internal core transmission components are precision machined from high wear-resistant alloy, supported by double-sided heavy tapered roller bearings and multi-layer integrated sealing structure. The whole motor strictly follows OEM engineering drawings for bearingless 4-bolt square pilot mounting flange, spline drive shaft, staggered main and case flow SAE O-ring port arrangement, realizing true plug-and-play replacement without pipeline reworking or bracket adjustment.

Extra thickened cast iron outer housing delivers superior anti-collision, anti-freeze and anti-corrosion protection in low-temperature snow removal and muddy farm heavy-duty working conditions. The factory pre-installed built-in check valve eliminates the need for an independent separate drain pipeline, simplifying vehicle hydraulic circuit layout while effectively suppressing reverse hydraulic pressure surges when equipment shuts down, avoiding uncontrolled sudden rotation and lifting overall operation safety. All finished motors pass comprehensive hydraulic bench testing to verify torque stability, rotation smoothness and zero-leakage performance under rated maximum intermittent working pressure.

Key Features

✅ 1:1 Full OEM Interchangeability Direct drop-in replacement for Eaton Char-Lynn 158-4088-001 and Danfoss MT0119AA02AC00, fully matched with original bearingless 4-bolt pilot flange, spline drive shaft and staggered SAE O-ring oil port layout, no machining modification required.

✅ Precision Balanced Geroler Disc Valve System High-precision alloy geroler gear set with balanced disc valve provides even ultra-high torque output, low pulsation and smooth quiet variable-speed operation under high flow conditions.

✅ Extra Thick Reinforced Cast Iron Housing Robust thick cast iron shell offers excellent resistance to impact, mud, ice, dust and wide temperature fluctuations, perfectly suited for harsh low-temperature snow removal and heavy construction field environments.

✅ Integrated Full Anti-Leak Sealing Package Heat-resistant high-performance shaft seal + external dust seal dual sealing structure blocks internal & external oil seepage, maintaining stable output pressure under continuous maximum intermittent heavy load cycles.

✅ Dual Front & Rear Tapered Roller Heavy Bearings Dual heavy tapered roller bearing assembly withstands extreme radial and axial impact loads, reduces internal friction loss and significantly extends motor service life under frequent heavy impact working cycles.

✅ Built-In Anti-Reverse Safety Check Valve Standard integrated one-way check valve simplifies drain pipeline layout, prevents hydraulic backflow and unexpected machine runaway during power cut-off, greatly improving operation safety for skid steer & snow equipment operators.

✅ Complete Factory Hydraulic Quality Inspection Every finished unit passes full flow, working pressure and leakage bench testing before shipment to screen defective products and ensure stable heavy-load performance.

Applications

• Construction Machinery：Excavators, skid steer loaders, backhoe loaders, road rollers, and compact construction equipment.

• Agricultural Equipment：Tractors, harvesters, sprayers, hay balers, agricultural winches, and general farm machinery.

• Material Handling：Forklifts, belt conveyors, lift tables, sweepers, and aerial work platforms.

• Industrial Machinery：Hydraulic winches, drilling rigs, hydraulic power units, industrial automation systems, and conveyor systems.

• Mobile Equipment：Refuse trucks, snow plows, utility vehicles, and marine hydraulic systems.

Other model specifications

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