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John Deere HMD18000 Hydrostatic Transmission

Model Photo

HMD18000

  • Max input power: 149 kW (200 hp)
  • Max input torque: 949 Nm (700 lb-ft)

 

Features

Controlled ground speed at full engine power

  • Available to use with applications up to 149 kW (200 hp)
  • 4000 rpm max input, no load speed

Multiple gear ratios within two, three and four speed versions

  • Covers low speed working range through high gear travel speeds
  • Wide speed variance in each gear range

Selection of SAE hydraulic input motor mountings

  • SAE C and D mounts to utilize the choice of input hydraulics to best fit the application need

High contact ratio helical gears

  • Quieter operation of the transmission

Ratings

Input power (max) 149 kW (200 hp)
Input torque (max) 949 Nm (700 lb-ft)
Input no load speed (max) 4000 rpm*
*Depending on ratio

General Data

Motor adapters SAE C and D
Approximate dry weight 161 kg (356 lb)
Oil capacity 8.8 L (8 qt)
Oil type J2OC or MIL-L-2105-C or API classification GL-5
Speeds 2
Configuration Drop
183 mm (11.15 in)
Shift Options Hydraulic, Mechanical

Gear ratio (helical gears, sliding collar shift)

Models
LowHigh
4.1401.613
7.4211.905
Splines  
Input SAE 14-tooth 12/24 DP
SAE 13-tooth 8/16 DP
Parking break Disc-type
Output Fittings 6C, 7C yokes or companion flanges
Applications Dozing machines, motor graders, railway vehicles, sweepers, pavers, and virtually any equipment requiring controlled travel speed