John Deere lawn tractors
John Deere Z840A
The John Deere Z840A is a zero-turn mower from the Z-Trak PRO 800 Series produced between 2008 and 2009. It features a 26 hp Kawasaki FD731V 671cc 2-cylinder liquid-cooled gasoline engine, hydrostatic transmission with infinite forward and reverse speeds, and two-wheel drive with power steering. The mower includes a two-post folding ROPS for operator safety. It has a wheelbase of 53 inches and weighs between 1320 and 1345 pounds depending on the mower deck size. The Z840A supports 54" and 60" mid-mount mower decks and uses a mid independent electro-magnetic PTO clutch. Electrical system is 12 volts with a 300 CCA battery. It was built in Fuquay-Varina, North Carolina, USA.
Power-
Founded-
ModelZ840A
Technical Specifications
Detailed specifications and technical data for John Deere Z840A
Engine
| Type | gasoline |
|---|---|
| Model | Kawasaki FD731V |
| Starter | electric |
| Idle RPM | 1700-3600 |
| Cylinders | 2-cylinder |
| Fuel tank | 11.75 gal (44.5 L) |
| Point gap | 0.013 inches (0.330 mm) |
| Air cleaner | dry |
| Bore/Stroke | 2.96x3.00 inches (75 x 76 mm) |
| Displacement | 671 cc (41 ci) |
| Oil capacity | 2.0 qts (1.9 L) |
| Configuration | liquid-cooled vertical-shaft V-Twin |
| Power (gross) | 26 hp (19.4 kW) |
| Sparkplug gap | 0.030 inches (0.762 mm) |
| Starter volts | 12 |
| Compression ratio | 8.5:1 |
| Oil change interval | 100 h |
| Intake valve clearance | 0.006 inches (0.152 mm) |
| Exhaust valve clearance | 0.006 inches (0.152 mm) |
Dimensions
| Length | 85 inches (215 cm) |
|---|---|
| Weight | 1320 lbs (54 inch) (598 kg), 1345 lbs (60 inch) (610 kg) |
| Rear tire | 24x12-12 |
| Wheelbase | 53 inches (134 cm) |
| Front tire | 13x6.5-6 |
| Height (ROPS) | 73 inches (185 cm) |
| Height (Folded ROPS) | 47 inches (119 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery CCA | 300 |
| Battery Group | U1L |
| Battery volts | 12 |
| Charging amps | 15 |
Mechanical
| ROPS | Two-post folding ROPS |
|---|---|
| Drive | Two-wheel drive |
| Steering | Power steering |
Production
| Type | Zero-turn mower |
|---|---|
| Series | Z-Trak PRO 800 Series |
| Built in | Fuquay-Varina, North Carolina, USA |
| Years produced | 2008 - 2009 |
Attachments
| 54" mid-mount mower deck | 54 inches (137 cm) width, total width 69 inches (175 cm), 3-blade, right-discharge |
|---|---|
| 60" mid-mount mower deck | 60 inches (152 cm) width, total width 74 inches (187 cm), 3-blade, right-discharge |
Transmission
| Type | hydrostatic |
|---|---|
| Gears | infinite forward and reverse |
| Oil type | Hy-Gard (J20D) |
| Oil capacity | 2.9 qts (2.7 L) |
| Oil change interval | 500 h |
Power Take-off (PTO)
| Type | Mid PTO |
|---|---|
| Clutch | electo-magnetic |
| Operation | independent |