Specifications, Service and Repair of Farm and Lawn Tractors

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John Deere X739 Specs

John Deere X739 Engine Specifications

Engine Model - Kawasaki FD750D
Engine Type - 4-stroke, OHV, V-twin 90°
Displacement - 745 cm 3 (45.46 cu-in)
Max. horsepower - 27.3 PS (20.1 KW; 27.0 HP) at 3,600 rpm
Max. torque (crank PTO) - 58.3 Nm (43.0 ft-lb) at 2,400 rpm
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
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)
Cylinder head torque - 27 Nm; 20 ft-lb
Connecting rod torque - 21 Nm; 15.5 ft-lb
Flywheel torque - 56 Nm; 41 ft-lb
Crankcase cover torque - 22 Nm; 16.2 ft-lb
Intake manifold torque - 12 Nm; 9 ft-lb
Oil drain plug torque - 25 Nm; 18.5 ft-lb
Valve clearance lock nut torque - 11 Nm; 8 ft-lb
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)
Fuel Tank Capacity - 19.7 L (5.2 gal)
Cooling System Capacity - 4.0 L (4.2 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)

Electrical System

Starting system - Electric starter
Starter - 0.8 kW (12 volt Electric Start)
Charging System - Stator, 20 A
Battery - 300 CCA (cold cranking amps)
12 Volt Outlet - Maximum 15 A

John Deere X739 Transmission

Transmission Type - 2-Pedal Foot Control Hydrostatic
Transaxle - Tuff Torq K90
Number of Speeds - Infinite
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
Transaxle (with filter) Capacity - 5.0 L (5.3 qt)
Forward Travel Speeds - 0 to 13.7 km/h (0 to 8.5 mph)
Reverse Travel Speeds - 0 to 8.1 km/h (0 to 5.0 mph)

JD X739 Power Take-off

Rear PTO - Independent
Rear RPM - 540
Front PTO - Independent
Clutch - Electro-hydraulic

Mechanical

Chassis - 4x4 HFWD 4WD
Front axle - JDM nodular iron casting
Spindle bushings - Metal, replaceable
Steering - Hydrostatic Four-wheel steer
Steering wheel - 14 in. (35.6 cm)
Tilt steering wheel - Standard, six position
Brakes Type - Internal wet disk

JD X739 Tire Sizes

Front Tire Tubeless 18x8.50-10, Turf, 4PR
Front Tire Tubeless 18x8.50-10, HDAP, 4PR
Front Tire Pressures - 69-103 kPa (0.69-1.03 bar) (10-15 psi)
Rear Tire Tubeless 26x12.00-12, Bar, 4PR
Rear Tire Tubeless 26x12.00-12, HDAP, 4PR
Rear Tire Pressures - 41-69 kPa (0.41-0.69 bar) (6-10 psi)

John Deere X739 Attachments

48 Mower Deck

Type - Side discharge
Cutting width - 48 in. (122 cm)
Construction - Stamped steel deck shell
Mower deck material - 10 gauge 0.135 in. (3.4 mm)
Mower drive system - Hydraulic clutch, shaft
Mower wheels - Four
Mower wheel adjustment - Spring-loaded pin
Mower level adjustment - Exact Adjust ports and onboard deck-leveling gauge
Front draft arms - Overcenter
Rear draft arms - V-align
Mower wheels rotate - Yes, 90 degrees for easy mower removal
Drive system - Shaft or AutoConnect

54 Mower Deck

Type - Side discharge
Cutting width - 54 in. (1370 mm)
Construction - Stamped steel deck shell
Mower deck material - 9 gauge 0.15 in. (3.8 mm)
Mower drive system - Hydraulic clutch, shaft
Mower wheels - Four
Mower wheel adjustment - Spring-loaded pin
Mower level adjustment - Exact Adjust ports and onboard deck-leveling gauge
Front draft arms - Overcenter
Rear draft arms - V-align
Drive system - Shaft or AutoConnect

60 Mower Deck

Type - Side discharge
Cutting width - 60 in. (1520 mm)
Construction - Stamped steel deck shell
Mower deck material - 9 gauge 0.15 in. (3.8 mm)
Mower drive system - Hydraulic clutch, shaft
Mower wheels - 4
Mower wheel adjustment - Spring-loaded pin
Mower level adjustment - Exact Adjust ports and onboard deck-leveling gauge
Front draft arms - Overcenter
Rear draft arms - V-align
Drive system - Shaft or AutoConnect

John Deere X739 Optional Attachments

Front blade - 54 inch (1372 mm)
Snow blower - 2-stage, 47 inch (1194 mm)
Snow blower - 2-stage, inch (1372 mm)
Rotary broom - 52 inch (1321 mm)
Rotary broom - 60 inch (1524 mm)
Rotary tiller - 42 inch (1067 mm)
Rotary tiller - 48 inch (1219 mm)

Dimensions

Overall Height - 1.34 m (52.9 in)
Overall Width - 1.24 m (49.0 in)
Overall Length - 2.01 m (79.2 in)
Wheel base - 1.41 m (55.7 in)
Turning radius 0.53 m (21 in.)
Weight Full-Time 4WD (HFWD) 4WS - 469 kg (1034 lb)

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JOHN DEERE LAWN TRACTORS SPECIFICATIONS

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ENGINES FOR JOHN DEERE LAWN TRACTORS

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JOHN DEERE TRACTORS ATTACHMENTS
420 430 455 790 990
X300 X320 X330 X350 X475
X485 X500 X540 X570 X590
X700 X720 X738 X758 1023E
2025R 2210 2520 3025E 3032E
3038E 3038R 3039R 3046R 3203
3320 3520 4052R 4066R 4100
4105 4115 4200 4310 4320
4400 4410 4520 4600 4720

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JOHN DEERE FRONT END LOADERS

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JD TRACTORS TROUBLESHOOTING
2640 3040 3310 3650 4100
5050D 5090R 5410 6105R 7200R
E130 L111 LA110 LT155 X300R

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JOHN DEERE FARM TRACTORS SPECIFICATIONS

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