Specifications

Engine

Model Z510A

Make Kohler

Engine Model Number SV715

Displacement 725cc (44 cu. in.)

Cylinders Two

Bore 83mm (3.27 in.)

Stroke 67 mm (2.64 in.)

Compression Ration 9.0:1

Speed, Fast Idle 3600 +/- 100rpm

Speed, Slow Idle 1700+/- 150 rpm

Valving OHV

Oil Filter Screw On Type

Cooling Type Air

Air Cleaner Paper Element with Foam Precleaner

Spark Plug Gap 0.76 mm (0.030 in.)

Spark Plug Torque 24.4-29.8 N•m (18-22 lb-ft)

Ignition Coil Air Gap 0.28-0.33 mm (0.011-0.013)

Valve Adjustment Clearance 0.10-0.15 mm (0.004-0.006)

Model Z520A

Make Kohler

Engine Model Number SV730

Displacement 725cc (44 cu. in.)

Cylinders Two

Bore 83mm (3.27 in.)

Stroke 67 mm (2.64 in.)

Compression Ration 9.0:1

Speed, Fast Idle 3600 +/- 100rpm

Speed, Slow Idle 1700 +/- 150 rpm

Valving OHV

Oil Filter Screw On Type

Cooling Type Air

Air Cleaner Paper Element with Foam Precleaner

Spark Plug Gap 0.76 mm (0.030 in.)

Spark Plug Torque 24.4-29.8 N•m (18-22 lb-ft)

Ignition Coil Air Gap 0.28-0.33 mm (0.011-0.013)

Valve Adjustment Clearance 0.10-0.15 mm (0.004-0.006)

Drivetrain

Type Independent Left and Right Integrated Hydrostatic Transmissions

Pump 12 cc (0.73 cu in.)

Motor 240cc (11.90 cu in.)

Number of Speeds Hydrostatic, Variable Speed

Electrical System

Charging System 15 Amp regulated

Ignition Flywheel Magneto Transistor Type

Starter Solenoid Shift

Fuel System

Fuel Type

Regular Unleaded (Minimum 87 Octane)

Ethanol Blended Fuel (Up to 10%)

MTBE Reformulated Fuel (Up to 15%)

Fuel Tank Location Left of Operator Seat

Steering and Brakes

Steering Dual Control Levers

Steering Hydraulic

Park Brakes Foot Actuated Drum/Shoe

Tires

Front 13 x 5-6

Rear 22 x 9.5-12

Inflation Front 124 kPa (18 psi)

Inflation Rear 83 kPa (12 psi)

Battery

Voltage 12 volt

CCA 195 amp

BCI Group Size U1L

Capacities

Fuel Tank 28.3 L (7.5 gal)

Transmission Oil (With Filter) 2.7 L (2.9 qt)

Engine Oil (With Filter) 1.8 L (1.9 qt)

Travel Speeds at Full Engine RPM

Forward 0–16.1 km/h (0–10 mph)

Reverse 0–8.0 km/h (0–5 mph)

Dimensions

Wheel Base 1.22 m (48 in.)

Overall Height 1.82 m (71 in.)

Overall Length 1.98 m (78 in.)

Weight (Z510A-48) 513 kg (1128 lb)

Weight (Z520A-54) 524 kg (11553 lb)

Weight (Z520A-60) 530 kg (1166 lb)

Overall Width (Z510A 48–Inch Deck)

Chute Up 1.34 m (53 in.)

Chute Down 1.61 m (63.5 in.)

Overall Width (Z520A 54–Inch Deck)

Chute Up 1.52 m (60 in.)

Chute Down 1.79 m (70.5 in.)

Recommended Lubricants

Engine Oil TURF-GARD™ OR PLUS-4™

Hydraulic Oil JD HY-GARD™ J20C

Grease

John Deere Multi-Purpose SD Polyurea Grease

John Deere Multi-Purpose HD Lithium Complex Grease

(Specifications and design subject to change without notice.)