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Toro GT550 Technical Specs

General Information

Tractor Model ...................... Toro Wheel Horse GT-550
Tractor Type ...................... Garden tractor
Manufacture Years ...................... 2006-2007
Series ...................... 5Xi
Fuel Type ...................... Gasoline
Attachments ...................... Mower Deck, Snow Blower, Blade

Toro GT550 Engine

Engine Model ...................... Kohler Command CH22S
Engine Type ...................... 4-cycle V-Twin horizontal-shaft air-cooled gasoline engine
Number of Cylinders ...................... 2
Displacement, cu.in (cc) ...................... 41.1 (671)
Engine Bore, in (mm) ...................... 3.15 (80.0)
Engine Stroke, in (mm) ...................... 2.64 (67.0)
Rated Engine Power, hp (kW) ...................... 22.0 (16.4)
Rated Engine Speed, rpm ...................... 3600
Maximum Torque, Nm (ft-lbs) ...................... 51.8 (38.2)
Torque Speed, rpm ...................... 2200
Idle Speed, rpm ...................... 1150-1300
Compression ...................... 8.5:1
Fuel System Type ...................... Carburetor
Carburetor Type ...................... One-Barrel, fixed main jet
Fuel Pump Type ...................... Pulse or Mechanical
Governor Type ...................... Mechanical
Lubrication ...................... Full pressure
Oil filter ...................... Full-flow type
Air Cleaner ...................... Replaceable, paper element
Ignition Type ...................... Electronic
Spark Plug Type ...................... Champion RC12YC
Spark Plug Gap, in (mm) ...................... 0.030 (0.76)
Module Air Gap, in (mm) ...................... 0.011-0.013 (0.28-0.33)
Intake Valve Clearance, in (mm) ...................... 0.0015-0.0030 (0.04-0.08)
Exhaust Valve Clearance, in (mm) ...................... 0.0020-0.0035 (0.05-0.09)
Fuel Tank Capacity, gal (L) ...................... 4.3 (16.1)
Oil Capacity, qts (L) ...................... 2.1 (2.0)

Electrical System

Electrical System Rating, Volts ...................... 12
Charging System ...................... Alternator
Alternator Rating, Amps ...................... 15
Starter Type ...................... Electric
Number of Batteries ...................... 1
Battery Rating ...................... 12V, 380 CCA
Electric Ground ...................... Negative

Power Take-Off

Front PTO Operational Type ...................... Independent
Front PTO Clutch ...................... Electric
Front PTO Speed, rpm ...................... 3300

Toro GT550 Transmission

Transmission Model ...................... Eaton 100
Transmission Type ...................... Shaft-driven hydrostatic
Number of Forward Gears ...................... Infinite (2-range)
Number of Reverse Gears ...................... Infinite (2-range)
Oil Capacity, qts (L) ...................... 6.0 (5.7)
Maximum Forward Speed, mph (kph) ...................... 7.5 (12.1)
Maximum Reverse Speed, mph (kph) ...................... 3.4 (5.5)

Wheels and Tires

Drive Wheels ...................... 2WD 4x2
Steering Configuration ...................... Front steer
Steering System ...................... Manual
Brakes Type ...................... Mechanical band
Front Tire Size ...................... 16x7.50-8
Rear Tire Size ...................... 23x10.50-12

Dimensions and Weight

Wheelbase, in (mm) ...................... 52 (1320)
Length, in (mm) ...................... 76.5 (1940)
Height, in (mm) ...................... 45.5 (1150)
Overall Width, in (mm) ...................... 40.5 (1020)
Weight, lb (kg) ...................... 1022 (463)

Toro GT550 Attachments

44" Mower Deck

Mower Deck Type ...................... Mid-mount
Number of Blades ...................... 3
Cutting Width, in (mm) ...................... 44 (1110)
Deck Construction ...................... Stamped
Spindle Material ...................... Aluminum
Deck Drive ...................... Belt
Lift System ...................... Hydraulic

48" Mower Deck

Mower Deck Type ...................... Mid-mount
Number of Blades ...................... 3
Cutting Width, in (mm) ...................... 48 (1215)
Deck Construction ...................... Stamped
Spindle Material ...................... Aluminum
Deck Drive ...................... Belt
Lift System ...................... Hydraulic

52" Mower Deck

Mower Deck Type ...................... Mid-mount
Number of Blades ...................... 3
Cutting Width, in (mm) ...................... 52 (1320)
Deck Construction ...................... Stamped
Spindle Material ...................... Aluminum
Deck Drive ...................... Belt
Lift System ...................... Hydraulic

60" Mower Deck

Mower Deck Type ...................... Mid-mount
Number of Blades ...................... 3
Cutting Width, in (mm) ...................... 60 (1520)
Deck Construction ...................... Stamped
Spindle Material ...................... Aluminum
Deck Drive ...................... Belt
Lift System ...................... Hydraulic

44" Snowblower

Snowblower Type ...................... Front-mount, 2-stage
Clearing Width, in (mm) ...................... 44 (1110)
Lift System ...................... Hydraulic

Front Blade

Blade Type ...................... Front-mount
Width, in (mm) ...................... 48 (1215)
Lift System ...................... Hydraulic
Angle ...................... Manual