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[HST/HMT] Medium-sized HST series

[HST/HMT]
Medium-sized HST series

Comparison of product series specifications

product MT-23
MT-30UE
MT-38UD
HT-38UM
KH-23SHMJ-RNUT
Piston Type Shoe Type Shoe Type Shoe Type Shoe Type Shoe Type
Capacity (cc/rev)
Pump (variable)
Motor (fixed)		 0–23.4
23.4		 0–30.2
30.2		 0-38.8
38.8		 0-38.8
38.8		 0–23.4
23.4
Input speed (min-1)
the best
lowest		 3,200
900		 3,200
900		 3,200
900		 3,200
900		 3,200
900
Instantaneous maximum operating pressure (Mpa) 39.2 39.2 34.3 34.3 39.2
Maximum theoretical output shaft torque (N・m) 146 188.4 211.8 211.8 146
Recommended charge flow rate (L/min-1) 18+ - - 24 or more 18+
Port size (charge IN) G3/8 G3/4 G3/4 G3/8 G3/8
Port size (drain) G1/2 G1/2 G1/2 G1/2 G3/4
Input shaft/output shaft diameter (mm) 20 25 25 25 25
Center distance (mm) 105 105 105 105 105
Dry weight (kg) 23 22 22 30 28
Recommended filter size (μm) 10 10 10 10 10
Swash plate operation method manual manual manual Electronically Controlled Servo manual
Oil used Hydraulic fluid ISO VG46 Hydraulic fluid ISO VG46 Hydraulic fluid ISO VG46 Hydraulic fluid ISO VG46 Hydraulic fluid ISO VG46
Relief valve set pressure (MPa) 39.2 39.2 34.3 34.3 39.2
Neutral detent None or external none none standard standard

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