John Deere X729 Engine Specifications
Engine Model – Kawasaki FD750D
Engine Type – 4-stroke, OHV, V-twin 90°
Cylinders – Two
Cycle – Four
Maximum horsepower – 27.3 PS (20.1 KW; 27.0 HP) at 3,600 rpm
Maximum torque (crank PTO) – 58.3 Nm (43.0 ft-lb) at 2,400 rpm
Displacement – 745cc (37.7 cu in.)
Bore/Stroke – 78mm (3.07 in.)
Compression Ratio – 8.5
Carburetor – Float type carburetor with fixed main jet
Cooling system – Liquid-cooling
Ignition system – Transistorized ignition
Lubricating system – Pressurized lubrication system
Starting system – Electric starter
Charging system – 12 Volt – 20A or 30A with regulator
Fuel used – Unleaded gasoline (octane number 86 or higher)
Fuel consumption – 230 g/HPh
Cooling system – Pressurized forced circulation type
Maximum speed – 3500 ± 100 rpm
Idle speed – 1500 ± 100 rpm
Cylinder compression – 7.5 kg/cm2 (107 psi) at 500 rpm
Intake valve clearance – 0.15 mm (0.006 in)
Exhaust valve clearance – 0.15 mm (0.006 in)
Oil type – 4-stroke or an equivalent (SC, SD, SE, SF, SG, or SH)
Recommended oil – SAE 10W-40, 10W-30, 5W-20
Oil capacity (with filter changed) – 1.8-2.0 L (1.9-2.1 US qt)
Spark plug – NGK BPR2ES
Spark plug gap – 0.75 mm (0.03 in)
Spark plug tightening torque – 25 Nm; 18.5 ft-lb
Ignition coil air gap – 0.25-0.40 mm (0.009-0.015 in)
Length, mm (in) – 520 (20.5)
Width, mm (in) – 458 (18.0)
Height, mm (in) – 580 (22.8)
Dry weight, kg (lb) – 57.0 (125.7)
JD X729 Transmission
Transmission Type – Shaft-driven hydrostatic
Transaxle Model – Tuff Torq K92
Transaxle Type – 2-Pedal Foot Control Hydrostatic
Gears – Infinite forward and reverse
Reduction Ratio – 28.125:1
Axle Torque (Rated) – 882 (650) Nm (lb-ft)
Max. Tire Diameter – 660 (26) mm (in)
Brake Capacity – 1,470 (1,085) Nm (lb-ft) @ 69 Nm (51 ft-lb) Brake Arm
Torque
Displacement (Pump/Motor) – 18/18 cc/rev
Max. Input Speed – 3,200 rpm
Axle Shaft Size – 30 (1.18) with Flanged Axle mm (in)
Weight (dry) – 56 (123) kg (lb)
Brake Type – Wet Disc
Housing (Case) – Die-Cast Aluminum
Gears – Heat-treated Steel Gears
Differential – Automotive-type Bevel Gears
Differential Locks – Standard, Interlocked with Brake
Auxiliary/External Hydraulic Outlets – 14.4L per minute 50 bars (725
psi) @ 3,200 rpm
Hydraulic fluid type – ISO32 Hydraulic Oil (Anti-Brake Squeal Type) –
7.5L (2WD), 7.8L (4WD)
Oil Filter – Automotive screw on type
Travel Forward Speeds – 0 to 13.7km/h (0 to 8.5 mph)
Travel Reverse Speeds – 0 to 8.1km/h (0 to 5.0 mph)
John Deere X729 Power Take-off
Rear PTO – Independent (Optional)
Rear RPM – 540
Mid PTO – Independent
Mid RPM – 2000
Front PTO – Optional
Front RPM – 2000
JD X729 Mechanical
Chassis – 4×4 MFWD 4WD
Steering: Hydrostatic power, All-wheel steering
Brakes Type – Internal wet disc
Cab – Open operator station
Four-Wheel Steer MFWD Transaxle Capacity (with filter) – 5.6L (6.0 qt)
Electrical System
Charging System – Stator, 20 amp
Battery – 340 CCA (cold cranking amps)
12-Volt Outlet – Maximum 20 amp
Starter – 0.8 kW (12 volt Electric Start)
Starting System – Shift type electric starter
Tire Pressures
Front Tires 18×8.50-8, Turf, 4PR – 70-97 kPa (10-14 psi)
Front Tires 18×8.50-10, Turf, 4PR – 82-110 kPa (12-16 psi)
Front Tires 18×8.50-10, HDAP, 4PR – 82-110 kPa (12-16 psi)
Rear Tires 26×12.00-12, Turf, 2PR – 40-70 kPa (6-10 psi)
Rear Tires 26×12.00-12, Bar, 4PR – 40-138 kPa (6-20 psi)
Rear Tires 26×12.00-12, HDAP, 2PR – 40-70 kPa (6-10 psi)
John Deere X729 Attachments
48-inch Mower
Model – 48X Mower deck
Type – Mid-mount
Blades-Rotary – 3
Lift System – Hydraulic
Cutting width – 121 cm (48 in.)
Weight – 117 lbs (53 kg)
Overall width – 156 cm (61.5 in.)
Cut height – 2 to 10 cm (1 to 4 in.)
54-inch Mower
Model – 54X Mower deck
Type – Mid-mount
Blades-Rotary – 3
Lift System – Hydraulic
Cutting width – 137 cm (54 in.)
Weight – 150 lbs (68 kg)
Overall width – 171 cm (67.7 in.)
Cut height – 2 to 10 cm (1 to 4 in.)
62-inch Mower
Model – 62X Mower deck
Type – Mid-mount
Blades-Rotary – 3
Lift System – Hydraulic
Cutting width – 157 cm (62 in.)
Weight – 277 lbs (125 kg)
Overall width – 184 cm (72.5 in.)
John Deere X729 Dimensions
Overall Height – 130 cm (50.0 in.)
Overall Width – 120 cm (48.3 in.)
Overall Length – 200 cm (78.8 in.)
WheelBase – 140 cm (56.0 in.)
Weight Full Time 4WD (HFWD) / 4WS – 479 kg (1056 lb)