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Home / Lawn and Garden Tractors / John Deere Lawn Tractors / John Deere LA125

John Deere LA125 Lawn Tractor

The John Deere LA125 is a LA105 series lawn tractor. This model was manufactured between 2008 to 2010. The John Deere LA125 driveline includes a 32.9 cu.in (540 cc) Briggs and Stratton 331877 4-cycle vertical-shaft single cylinder air-cooled gasoline engine and Tuff Torq T40 Belt-driven hydrostatic transmission with infinite forward and reverse gears.

The engine has a cylinder bore of 3.7" (94 mm), piston stroke of 3.06" (78 mm), and rated power of 21 hp (15.3 kW). Max. forward speed - 5.5 mph (8.8 kph), maximum reverse speed - 3.2 mph (5.1 kph).

The John Deere LA125 is equipped with a manual steering system, disc brakes, 15x6.00-6 front tires, and 20x8.00-8 rear tires. The wheelbase is 49" (1240 mm). Compatible attachments for the tractor: a 42" mid-mount 2-blade mower deck with manual lift and cutting height of 1.0-4.0 in (25-102 mm), 46" front-mount blade with lifting height of 6" (150 mm), and 44" front-mount 2-stage snow blower with clearing height of 18" (450 mm).

Engine
Engine Model Briggs and Stratton 331877
Engine Type 4-cycle vertical-shaft single cylinder air-cooled gasoline
Number of Cylinders 1
Displacement, cu.in (cc) 32.9 (540)
Engine Bore, in (mm) 3.70 (94.0)
Engine Stroke, in (mm) 3.06 (77.8)
Maximum Engine Power, hp (kW) 21.0 (15.3)
Rated Engine Speed, rpm 3600
Idle Speed, rpm 1400-1600
Fuel System Carburetor
Governor Type Mechanical
Lubrication System Full pressure with oil filter
Spark Plug Champion RC12YC
Spark Plug Gap, in (mm) 0.030 (0.76)
Armature Air Gap, in (mm) 0.010-0.014 (0.25-0.36)
Air Filter Cartridge air cleaner
Intake Valve Clearance, in (mm) 0.003-0.005 (0.08-0.13)
Exhaust Valve Clearance, in (mm) 0.005-0.007 (0.13-0.18)
Fuel Tank Capacity, gal (L) 2.3 (8.5)
Oil Capacity, qts (L) 1.75 (1.70)

Electrical System
Electrical System Rating, Volts 12
Charging System Alternator
Alternator Rating, Amps 9
Starter Type Electric
Number of Batteries 1
Electric Ground Negative

Transmission
Transmission Model Tuff Torq T40
Transmission Type Belt-driven hydrostatic
Number of Forward Speeds Infinite
Number of Reverse Speeds Infinite
Maximum Forward Speed, mph (kph) 5.5 (8.8)
Maximum Reverse Speed, mph (kph) 3.2 (5.1)


Wheels and Tires
Drive Wheels 4x2 2WD
Steering Configuration Front steer
Steering System Manual
Front Tire Size 15x6.00-6
Rear Tire Size 20x8.00-8

Dimensions and Weight
Wheelbase, in (mm) 49 (1240)
Length, in (mm) 68.8 (1740)
Height, in (mm) 44.5 (1120)
Overall Width, in (mm) 51.8 (1310)
Weight, lb (kg) 450 (205)

42" Mower Deck
Mower Deck Type Mid-mount
Number of Blades 2
Cutting Width, in (mm) 42 (1060)
Overall Width, in (mm) 52 (1320)
Cutting Height, in (mm) 1.0-4.0 (25-102)
Spindle Material Aluminum
Deck Drive Belt
Lift System Mechanical

44" Snowblower
Snowblower Type Front-mount, 2-stage
Clearing Width, in (mm) 43.25 (1090)
Clearing Height, in (mm) 18 (450)
Lift System Mechanical

Front Blade
Blade Type Front-mount
Width, in (mm) 46 (1160)
Lift Height, in (mm) 6 (150)
Lift System Mechanical
Angle Manual

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