Product Description
Rexroth A6VM80 Series High-Pressure Bent-Axis Variable Motors
Product Overview: The Rexroth A6VM80 Series is a premier power solution for high-performance industrial and mobile machinery drives. Featuring a sophisticated bent-axis piston design, this variable displacement motor is engineered for both open and closed circuits, providing constant high-efficiency output across an expansive speed range. This selection includes two primary configurations: A6VM80HD1/63W-VZB027B-0377 (Hydraulic Proportional Control) and A6VM80HA1/63W-VAB01000A (Automatic High-Pressure Control). Renowned for its exceptional power-to-weight ratio and shock resistance, the A6VM80 is the top choice for excavator travel and swing drives, road cold planers, crane winches, and rotary drilling rig power heads.
Key Technical Advantages:
Versatile Control Modes: HD1 offers precise hydraulic proportional control (via pilot pressure), while HA1 automatically adjusts displacement based on system working pressure to optimize power distribution.
Bent-Axis High Efficiency: The unique bent-axis architecture delivers maximum mechanical and volumetric efficiency, ensuring smooth and massive torque output even under low-speed, heavy-load conditions.
Peak Pressure Resilience: Rated for continuous operation at 400 Bar (5800 PSI) with peak pressures reaching 450 Bar, maintaining stability under extreme high-pressure cycles.
Rugged Series 63 Architecture: Features reinforced bearings and specialized sealing systems for superior vibration resistance and extended service life, significantly lowering TCO (Total Cost of Ownership).
Compact & Lightweight: The high power density allows for integration within space-restricted wheel drives or planetary gearboxes.
Target Applications: Crawler travel propulsion, heavy-duty winch systems, construction rotary drives, forestry machinery, and hydrostatic transmissions.
Detailed Models & Parameters:
Core Series: Rexroth A6VM Series 63 (Variable Displacement).
Model Keywords: A6VM80, A6VM80HD1, A6VM80HA1, 63W, VZB027B, VAB010.
Technical Specs Decoding:
A6VM80: 80cc/rev nominal displacement.
HD1: Hydraulic proportional displacement control (pilot-pressure dependent).
HA1: Automatic high-pressure control (displacement adjusts based on load pressure).
VZB / VAB: Refers to specific drive shaft splines, mounting flanges, and sealing options.
Pressure Specs: Nominal Pressure 400 Bar, Peak Pressure 450 Bar (6500 PSI).





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