Specifications, Service, and Repair of Farm and Lawn Tractors

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John Deere LA105 Lawn Tractor Specs

John Deere LA105 Engine Specifications

Engine Make - Briggs & Stratton
Engine Model - Briggs & Stratton 31
Cylinders - Single
Engine Power, Rated - 12.7 kW (17 hp)
Maximum Engine Power, (kW) - 12.7
Displacement, cu in (L) - 500 cc (30.5 cu.in.)
Engine Bore - 90.68 mm (3.57 in.)
Engine Stroke - 77.72 mm (3.06 in.)
Fuel Tank - 7.9 L (2.1 gal)
Crankcase without oil filter - 1.4 L (1.5 qt)
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.)
Regular Grade 87 Octane Unleaded Fuel
Ethanol Blended Fuel (Up to 10%)
MTBE Reformulated Fuel (Up to 15%)
Spark Plug-Gap - 0.76 mm (0.030 in.)
Spark Plug-Torque - 20 Nm (15 lb-ft)
Oil Filter - Yes
Air Filter - Paper with Foam
Charging System - Regulated Circuit
Charging System Capacity - 9 Amp
Electrical System Rating, Volts - 12
Battery Type - BCI Group U1

JD LA105 Transmission

Transmission Gear - Transaxle
Transaxle - Dana 4360
Gears - 5 Forward and 1 Reverse
Travel Speeds - 5

Gear Speed Range

1st - 2.4 km/h (1.5 mph)
2nd - 3.2 km/h (2.0 mph)
3rd - 5.0 km/h (3.1 mph)
4th - 6.4 km/h (4.0 mph)
5th - 8.0 km/h (5.0 mph)
Reverse - 3.7 km/h (2.3 mph)

Wheels

Drive Wheels - 4x2, 2WD
Steering Configuration - Manual

John Deere LA105 Mower Deck

Cutting Width - 1371 mm (54 in.)
Blades Rotary - 3
Blade Nut Torque (w/ 5/8 in. Nut) - 88 Nm (65 lb-ft)
Cutting Height (Approximately) - 25 - 102 mm (1 - 4 in.)

Tire Size

Front Tire Size, 2WD - 15 x 6.00 - 6
Rear Tire Size - 20 x 8.0 - 8
Tire Pressure (Front) - 97 kPa (14 psi)
Tire Pressure (Rear) - 69 kPa (10 psi)

JD LA105 Dimensions and Weight

Height - 108 cm (42.5 in.)
Length (Overall) - 175 cm (69 in.)
Width (Mower Deck Chute Down) - 131 cm (51.75 in.)
Weight - 200 kg (442 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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