Specifications, Service and Repair of Farm and Lawn Tractors

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John Deere LA140 Specs

John Deere LA140 Engine Specifications

Engine Model - Briggs Stratton 44
Engine Series - V-Twin
Engine Type - 4-stroke, air cooled, OHV (Overhead Valve)
Bore (mm) - 79.2
Stroke (mm) - 73.4
Oil Capacity (L) - 1.9
Cylinder - Cast Iron Sleeve
Cylinders - Twin
Gross Power HP (kW) @3600 rpm - 25.0
Displacement - 724 cc (44.2 cu. in.)
Spark Plug Gap - 0.76 mm (0.030 in.)
Spark Plug Torque - 20 Nm (15 lb-ft)
Oil Filter - John Deere Easy Change 30-Second Oil Change System
Air Filter - Cartridge
Crankcase, with Easy Change 30-Second Oil Change System - 2.6 L (2.8 qt)
Fuel Tank - 9 L (2.4 gal)
Shaft Size (In.) - 1 x 4-19/64 Inch
Crankshaft Type - Straight
Crankshaft Diameter (In.) - 1 In.
Length (mm) - 479
Height (mm) - 327
Width (mm) - 393
Weight (kg) - 37.6

JD LA140 Transmission

Transmission Type - Hydrostatic
Transaxle Model - Tuff Torq HD K46
Reduction Ratio - 21.53:1
Axle Torque (rated) Nm (ft. lbs.) - 177.7 (131)
Max. Tire Diameter mm (inch) - 457 (18)
Brake Capacity Nm (ft. lbs.) @ 350 N (79 lbs) - 253 (187)
Pump/Motor Displacement cc/rev - 7/10
Max. Input Speed rpm - 3,400
Axle Shaft Size mm (inch) - 19.05 (0.75)
Max. Static Weight on Axle kg (lbs.) - 306 (675)
Weight (dry) kg (lbs.) - 12.5 (27.6)
Brake Type - Wet Disc, internal
Gears - Heat Treated Powder Metal
Differential - Automotive Type Bevel Gears
Speed Control System - Hand Control External Friction Pack and Lever Available
Bypass Valve (Roll Release) - Std
Forward Travel Speed - 0-8.9 km/h (0-5.5 mph)
Reverse Travel Speed - 0-5.2 km/h (0-3.2 mph)

John Deere LA140 Electrical System

Charging System - Regulated Circuit
Charging System Capacity - 16 Amp
Battery Voltage - 12 Volts
Battery Type - BCI Group U1

Tires and Pressure

Size (Front) - 16x6.5-8
Size (Rear) - 22x9.5-12
Tire Pressure (Front) - 83 kPa (12 psi)
Tire Pressure (Rear) - 83 kPa (12 psi)

JD LA140 Dimensions

Height - 114 cm (45.0 in.)
Length (Overall) - 176 cm (69.25 in.)
Width (Mower Deck Chute Down) - 152 cm (60 in.)
Weight - 238 kg (524 lb)

John Deere LA140 Attachments

42 Inch Mower Deck

Blades Rotary - 2
Blade Nut Torque (w/ M12 Nut) - 75 Nm (55 lb-ft)
Blade Nut Torque (w/ 5/8 in. Nut) - 88 Nm (65 lb-ft)
Cutting Height (Approximately) - 25-102 mm (1 - 4 in.)
Cutting Width - 107 cm (42 in.)

48 Inch Mower Deck

Blades Rotary - 3
Blade Nut Torque (w/ M12 Nut) - 75 Nm (55 lb-ft)
Blade Nut Torque (w/ 5/8 in. Nut) - 88 Nm (65 lb-ft)
Cutting Height (Approximately) - 25-102 mm (1 - 4 in.)
Cutting Width - 122 cm (48 in.)

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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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