Brand new genuine Hydro-Gear ZT-3100 series hydrostatic transaxle. This is for the left side when standing behind the mower. Ships prefilled with oil.

Compatible part numbers:

• Gravely 04827600
• Hydro-Gear ZJ-KMEB-TLDC-3DXX
• Hydro-Gear ZJ-KMEB-5LDC-3DXX

Compatible model numbers:

• 994131 - Gravely Pro-Stance 36" Stand-On Mower, Kawasaki FX (SN: 000101 - 009999)
• 994131 - Gravely Pro-Stance 36" Stand-On Mower, Kawasaki FX (SN: 010000 - 019999)
• 994131 - Gravely Pro-Stance 36" Stand-On Mower, Kawasaki FX (SN: 020000 & Above)
• 994139 - Gravely Pro-Stance 36" Stand-On Mower, Kawasaki FX, CARB (SN: 000101 - 009999)
• 994139 - Gravely Pro-Stance 36" Stand-On Mower, Kawasaki FX, CARB (SN: 010000 - 019999)
• 994139 - Gravely Pro-Stance 36" Stand-On Mower, Kawasaki FX, CARB (SN: 020000 & Above)