Specifications, Service and Repair of Farm and Lawn Tractors

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John Deere X740 Specs

John Deere X740 Engine Specifications

Engine Model - Yanmar 3TNV76
Engine Type - Vertical Inline Diesel Engine
Power/SAE J1940 - 17.9 kW (24 hp)
Cylinders - Three
Stroke/Cycle - Four
Displacement - 1116 cc (68.1 cu. in.)
Bore/Stroke - 76mm (3.0 in.)
Compression Ratio - 23.4:1
Combustion - System Ball Type Swirl Chamber
Aspiration - Natural
Speed (fast idle), no load - 3425 + 25 / -50 rpm
Speed (slow idle), no load - 1450 +/- 25 rpm
Lubrication - Full Pressure
Oil Filter - Full flow (replaceable)
Air Cleaner - Dual element replaceable paper
Cooling System - Liquid-cooled
Fuel Types (Recommended) - Diesel No. 1 or No. 2
Fuel Pump - Mechanical
Fuel Delivery - In-line indirect injection
Firing Order - 1-3-2-1 (No. 1 Cylinder on Flywheel Side)
PTO Position - Flywheel Side
Direction of Rotation - Counterclockwise Viewed From Flywheel Side
Cooling System - Liquid-Cooled With Radiator
Normal Oil Pressure at Rated Engine Speed - 42-64 psi (0.29-0.44 MPa)
Normal Oil Pressure at Low Idle Speed - 8.5 psi (0.06 MPa) or greater
Engine Oil Pan Capacity - 3.6 / 1.9 qt (3.4 / 1.8 L) (Dipstick Upper Limit / Lower Limit)
Engine Coolant Capacity - 0.2 gal (0.9 L)
Standard Cooling Fan - 13.19 in (335 mm) O/D, 6 Blades Pusher Type
Intake / Exhaust Valve Gap - 0.006-0.010 in (0.1-0.25 mm)
Fuel Injection Pressure - 1711-1842 psi (11.8-12.8 MPa)
Compression Pressure at 250 rpm - 498±15 psi (3.43±0.1MPa)
Thermostat - Valve Opening Temperature
Dimensions (L x W x H) - 19.09 x 7.17 x 21.06 in (485 x 436 x 535 mm)
Engine Weight (Dry) - 242.6 lb (110 kg)

Electrical System

Starter - 1.2kW (12-Volt)
Charging System - Alternator, 40 amp
Battery - 500 CCA (cold cranking amps)
12-Volt Outlet - Maximum 15 amp
Electric Starting - Starter
Alternator - DC12V
Battery Capacity - 12V, 36 Amp-Hour (5h rating)

John Deere X740 Transmission

Transmission Type - Shaft-driven hydrostatic
Transaxle - Tuff Torq K92
Gears - Infinite forward and reverse
Oil capacity - 7 qts (6.6 L)
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
Forward Speeds - 0 to 13.7 km/h (0 to 8.5 mph)
Reverse Speeds - 0 to 8.1 km/h (0 to 5.0 mph)

JD X740 Power Take-off

Rear PTO - Independent
Rear RPM - 540
Mid PTO - Independent
Mid RPM - 2000
Front PTO - Optional
Front RPM - 2000
PTO engagement - Electro-hydraulic

Mechanical

Chassis - 2 Wheel Drive
Front axle - Cast iron
Rear Transaxle - Heavy duty
Steering - Hydrostatic power
Brakes - Wet disc
Disc Brakes - Oil immersed

JD X740 Hydraulics and Hitch

Hydraulic Pressure - 924 psi (63.7 bar)
Selective Control Valves - 2 dual SCV
Total Hydraulic Flow - 4.5 gpm (17.0 lpm)
Steering/hydraulic flow, l/min - 17.6
Rear hitch - 400 kg at liftpoints
Front hitch - Optional

Tire Sizes

Front Tire / Pressure - 18 x 7 - 8, Turf, 4PR / 70-97 kPa (10-14 psi)
Front Tire / Pressure - 18 x 8.50 - 8, Turf, 4PR / 70-97 kPa (10-14 psi)
Rear Tire / Pressure - 26 x 10.5 - 12, Turf, 2PR 40-70 kPa (6-10 psi)
Rear Tire / Pressure - 26 x 12.00 - 12, Turf, 2PR 40-70 kPa (6-10 psi)

Capacities

Fuel Tank - 24.6 L (6.5 gal)
Cooling System - 2.8 L (3.0 qt)
Engine Oil (oil change with filter) - 2.6 L (2.75 qt)
Two-Wheel Steer Transaxle (oil change with filter) - 6.6 L (7.0 qt)

John Deere X740 Attachments

48X Mower Deck

Type - Mid-Mount, 3-blade
Cutting width - 48 inches (121 cm)
Weight - 117 lbs (53 kg)
Cut height - 1 to 5.25 inch (2 to 13 cm)
Cut positions - 18
Lift - Hydraulic

54X Mower Deck

Type - Mid-Mount, 3-blade
Cutting width - 54 inches (137 cm)
Weight - 170 lbs (77 kg)
Overall width - 64.5 inches (163 cm)
Cut height - 1 to 5.25 inch (2 to 13 cm)
Cut positions - 18
Lift - Hydraulic

62X Mower Deck

Type - Mid-Mount, 3-blade
Cutting width - 62 inches (157 cm)
Weight - 200 lbs (90 kg)
Cut height - 1 to 5.25 inch (2 to 13 cm)
Cut positions - 18
Lift - Hydraulic

60 Mower Deck

Type - Mid-Mount, 7-Iron, 3-blade
Cutting width - 60 inches (152 cm)
Weight - 342 lbs (155 kg)
Overall width - 61.3 inches (155 cm)
Cut height - 1 to 5.25 inch (2 to 13 cm)
Cut positions - 18
Lift - Hydraulic

Snow blower

Model - 47-inch Snow blower
Type - Front-Mount
Clearing width - 47 inches (119 cm)
Model - 54-inch Snow blower
Type - Front-Mount
Clearing width - 54 inches (137 cm)

Front End Loader

Loader type - John Deere 45
Weight - 515 lbs (233 kg)
Height (to pin) - 73 inches (185 cm)
Clearance, dumped bucket - 57 inches (144 cm)
Dump reach - 23 inches (58 cm)
Dump angle - 45
Reach at ground - 44.43 inches (112 cm)
Rollback at ground - 25
Breakout force (lift) - 770 lbs (349 kg)
Breakout force (bucket) - 740 lbs (335 kg)
Lift to full height (at pin) - 365 lbs (165 kg)
Bucket capacity - 0.2 cu yd (0.2 cu m)
Bucket width - 48 inches (121 cm)

John Deere X740 Dimensions

Overall Height - 1.27m (50.0 in.)
Overall Width - 1.12m (46.8 in.)
Overall Length - 2.00m (78.8 in.)
Wheel Base - 1.38m (54.5 in.)
Net Weight - 454 kg (1000 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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