John Deere L108 Engine Specifications
Engine Model – Briggs Stratton 31P677
Engine Type – Air-cooled vertical shaft
Horsepower – 13.8 kW (18.5 hp)
Displacement – 501 cc (30.59 cu.in.)
Bore – 90.60 mm (3.56 in.)
Stroke – 77.78 mm (3.06 in.)
Fuel – Gasoline
Ignition – Module (Armature)
Air Gap – 0.253-0.356 mm (0.010-0.014 in.)
Intake Valve Clearance – 0.076-0.127 mm (0.003-0.005 in.)
Exhaust Valve Clearance – 0.13-0.18 mm (0.005-0.007 in.)
Spark Plug-Gap – 0.76 mm (0.030 in.)
Spark Plug-Torque – 20 Nm (15 lb-ft)
Cylinders – One
Oil Filter – Yes
Oil capacity – 2 qts (1.9 L)
Air Filter – Paper with Foam
Charging System – Regulated Circuit
Charging System Capacity – 9 Amp
Battery Voltage – 12 Volts
Battery Type – BCI Group U1
John Deere L108 Drivetrain
Transmission Type – Belt-driven hydrostatic
Transaxle Manufacturer – Tuff Torq HD K46
Gears – Infinite forward and reverse
Transmission Oil change – Sealed unit, service not recommended
Forward Travel Speed – 0-8.9 km/h (0-5.5 mph)
Reverse Travel Speed — 0-5.2 km/h (0-3.2 mph)
Chassis – 4×2 2WD
Steering – Manual Steering
JD L108 Power Take-off
Mid PTO – Independent
Clutch – Mechanical
Tires
Size (Front) – 15×6.00-6
Size (Rear) – 20×8.0-8
Tire Pressure (Front) – 97 kPa (14 psi)
Tire Pressure (Rear) – 69 kPa (10 psi)
JD L108 Capacities
Crankcase without oil filter – 1.4 L (1.5 qt)
Crankcase with oil filter – 1.65 L (1.75 qt)
Fuel – 7.9 L (2.1 gal)
Dimensions
Height – 98 cm (38.6 in.)
Length (Overall) – 175 cm (69 in.)
Width (Overall) – 91 cm (36 in.)
Weight – 210 kg (462 lb)
John Deere L108 Mower Deck
Mower Deck – 107 cm (42 in.)
Blades-Rotary – 2
Blade Bolt Torque – 62 Nm (46 lb-ft)
Cutting Height-Approx. – 25-102 mm (1-4 in.)
Cutting Width – 1067 mm (42 in.)
Mower Deck – 122 cm (48 in.)
Blades-Rotary – 3
Blade Bolt Torque – 62 Nm (46 lb-ft)
Cutting Height-Approx. – 25-102 mm (1-4 in.)
Cutting Width – 1219 mm (48 in.)