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Home / Lawn and Garden Tractors / Husqvarna Lawn Tractors / Husqvarna GT48XLSi

Husqvarna GT48XLSi Garden Tractor

The Husqvarna GT48XLSi garden tractor was manufactured between 2013 and 2018. The Husqvarna GT48XLSi is powered by two engines: a 44.2 cu.in (724 cc) Briggs and Stratton 44Q777 4-cycle vertical-shaft 2-cylinder air-cooled gasoline engine with a maximum power of 24 hp (18 kW), or 44.2 cu.in (724 cc) Briggs and Stratton 44N877 4-cycle vertical-shaft 2-cylinder air-cooled gasoline engine with a max power of 24 hp (18 kW).

The Husqvarna GT48XLSi is fitted with a Tuff Torq K66 ELD belt-driven hydrostatic transmission with foot-controlled variable speed drive. Max. forward speed - 5.5 mph (8.8 kph), maximum reverse speed - 2.4 mph (3.8 kph). The Husqvarna GT48XLSi is equipped with a manual steering system, disc brakes, 16x6.50-8 front tires, and 23x10.5-12 rear tires. The wheel base is 48" (1210 mm).

The garden tractor is compatible with a 48" mid-mount 3-blade side discharge mower deck with cutting height of 1.5-4.0 in (38-102 mm), 7 cut positions, electric blade engagement, and mechanical lift system.

BS 44Q777 Engine
Engine Model Briggs and Stratton 44Q777
Engine Type 4-cycle vertical-shaft V-twin air-cooled gasoline
Number of Cylinders 2
Displacement, cu.in (cc) 44.2 (724)
Engine Bore, in (mm) 3.12 (79.0)
Engine Stroke, in (mm) 2.89 (73.0)
Maximum Engine Power, hp (kW) 24.0 (18.0)
Rated Engine Speed, rpm 3600
Idle Speed, rpm 1400-1600
Maximum Torque, Nm (ft-lbs) 52.2 (38.7)
Torque Speed, rpm 2400
Fuel System Carburetor
Lubrication System Full pressure with oil filter
Spark Plug Gap, in (mm) 0.030 (0.76)
Armature Air Gap, in (mm) 0.008-0.012 (0.20-0.30)
Intake Valve Clearance, in (mm) 0.004-0.006 (0.10-0.15)
Exhaust Valve Clearance, in (mm) 0.004-0.006 (0.10-0.15)
Fuel Tank Capacity, gal (L) 4.0 (15.0)
Oil Capacity, qts (L) 2.1 (2.0)

BS 44N877 Engine
Engine Model Briggs and Stratton 44N877
Engine Type 4-cycle vertical-shaft V-twin air-cooled gasoline
Number of Cylinders 2
Displacement, cu.in (cc) 44.2 (724)
Engine Bore, in (mm) 3.12 (79.0)
Engine Stroke, in (mm) 2.89 (73.0)
Maximum Engine Power, hp (kW) 24.0 (18.0)
Rated Engine Speed, rpm 3600
Idle Speed, rpm 1400-1600
Maximum Torque, Nm (ft-lbs) 52.2 (38.7)
Torque Speed, rpm 2400
Fuel System Carburetor
Lubrication System Full pressure with oil filter
Spark Plug Gap, in (mm) 0.030 (0.76)
Armature Air Gap, in (mm) 0.008-0.012 (0.20-0.30)
Intake Valve Clearance, in (mm) 0.004-0.006 (0.10-0.15)
Exhaust Valve Clearance, in (mm) 0.004-0.006 (0.10-0.15)
Fuel Tank Capacity, gal (L) 4.0 (15.0)
Oil Capacity, qts (L) 2.1 (2.0)

Electrical System
Electrical System Rating, Volts 12
Charging System Alternator 15A
Starter Type Electric
Number of Batteries 1
Battery Voltage, Volts 12
Electric Ground Negative

Power Take-Off
PTO Operational Type Independent
PTO Clutch Electric
PTO Speed, rpm 3600


Transmission
Transmission Model Tuff Torq K66 ELD
Transmission Type Belt-driven hydrostatic
Number of Forward Gears Infinite
Number of Reverse Gears Infinite
Drive Train Transaxle with foot-controlled variable speed drive
Reduction Ratio 22.19:1
Axle Shaft Size, in (mm) 1.0 (25.4)
Maximum Forward Speed, mph (kph) 5.5 (8.8)
Maximum Reverse Speed, mph (kph) 2.4 (3.8)

Wheels and Tires
Drive Wheels 2WD 4x2
Steering Configuration Front steer
Steering System Manual
Brakes Type Disc
Front Tire Size 16x6.50-8
Rear Tire Size 23x10.5-12

Dimensions and Weight
Wheelbase, in (mm) 48 (1210)
Length, in (mm) 71.3 (1810)
Height, in (mm) 42.5 (1070)
Overall Width (Min), in (mm) 48.7 (1230)
Overall Width (Max), in (mm) 62.3 (1580)
Ground Clearance, in (mm) 7.5 (190)
Weight, lb (kg) 610 (276)

48" Mower Deck
Mower Deck Type Mid-mount
Mower Deck Construction Fabricated
Mower Deck Material Steel
Cutting Method Side discharge
Number of Blades 3
Blade Engagement Electric
Cutting Width, in (mm) 48 (1220)
Cutting Height, in (mm) 1.5-4.0 (38-102)
Cut Positions 7
Deck Drive Belt
Lift System Mechanical, hand operated

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