Ebay offers Greenworks 60V 42" Riding Lawn Mower for $2579.99 (reg $4299.99) with free shipping.

Product Description:
60V 42 inch CrossoverT Riding Lawn Mower, with 4x 8Ah Battery and 2x 10A Dual-Slot Charger
7409002 CRT426 TRC903

• 42 inch Deck
• Power equivalent to 24 HP.
• Fast Cutting Speed 6 MPH
• Cuts up to 2.5 Acres with 6x 8Ah Battery.
• 200 lbs On-Board Bin Storage.
• Premium Comfort-Ride Adjustable Seat.
• Single Lever 7-Position Deck Adjustment: 1.5" - 4.5".
• 11" Front Wheels & 20" Rear Wheels.
• Front and Rear Attachment Capable.

What's included.

• 1 60V 42" CrossoverT Riding Lawn Mower CRT426.
• 4 60V 8Ah Battery
• 2 60V 10A Turbo Charger
• 1 User Manual.