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) – 16×6.5-8
Size (Rear) – 22×9.5-12
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.)