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Product Information

  • Model #: Z1-24OE03
  • Serial #: None - None
  • Product Type: Riding Products
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50" Side Discharge Mower (Part # 05-50ZS01)
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48" Snow Blade (Part # 26-48BZ01)
Toro Genuine Parts Logo
Red Paint (Gallon) (Part # 361-11)
Toro Genuine Parts Logo
Red Paint (Part # 5340)
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60" Side Discharge Mower (Part # C5-60ZS01)
  • Model #
    Z1-24OE03
  • Serial #
    None - None
  • Product Name
    724-Z Tractor
  • Product Brand
    Toro
  • Product Type
    Riding Products
  • Product Series
    Zero Radius Turn, 700 Series
  • Swath
    Deck Optional
  • Discharge
    Deck Optional
  • Engine/Motor Manufacturer
    Toro Power Plus/Onan
  • Engine/Motor Size
    24 hp
  • Engine/Motor Type
    4 Cycle
  • Engine Starter
    Electric
  • Transmission Type
    Hydrostatic
  • Engine: Bore
    3.560" (90.42mm)
  • Engine: Stroke
    3.000" (76.20mm)
  • Engine: Displacement
    59.7 cu.in. (983cc)
  • Engine: Compression Ratio
    7.0:1
  • Engine: Rated Speed (maximum)
    3600 RPM
  • Engine: Power at Rated Speed
    24hp (17.9kw)
  • Engine: Oil Capacity (std) Base without Filter
    1.5qts. (1.4L)
  • Engine: Oil Capacity (high cap.) Base without Filter
    2.7qts. (2.6L)
  • Engine: Oil Filter Capacity
    .3qts. (.3L)
  • Engine: Crankshaft Rotation (Viewed from flywheel)
    Clockwise
  • Engine: Valve Clearance Intake (cold)
    .005" (.13mm)
  • Engine: Valve clearance Exhaust (cold)
    .013" (.33mm)
  • Engine: Ignition Timing (BTC)
    20 Degrees
  • Engine: Cylinder Compression
    75/115 psi (517/793 kPa)
  • Engine: Cylinder Bore Honed Diameter (Minimum)
    3.5625" (90.49mm)
  • Engine: Cylinder Bore Honed Diameter (Maximum)
    3.5635" (90.51mm)
  • Engine: Cylinder Tapper (Maximum)
    0.003" (0.08mm)
  • Engine: Block, Out of Round (Maximum)
    0.003" (0.08mm)
  • Engine: Block, Main Bearing I.D. (with out bearing)"Minimum"
    2.1870"(55.55mm)
  • Engine: Block, Main Bearing I.D. (with out bearing)"Maximum"
    2.1880" (55.58mm)
  • Engine: Block, Main Bearing I.D. Installed "Minimum"
    2.0015" (50.84mm)
  • Engine: Block, Main Bearing I.D. Installed "Maximum"
    2.0040" (50.90mm)
  • Engine: Camshaft Bearing Bore Installed "Minimum"
    1.3757" (34.94mm)
  • Engine: Camshaft Bearing Bore Installed "Maximum"
    1.3787" (35.02mm)
  • Engine: Crankshaft Main Bearing Journal Diameter "Minimum"
    1.9992" (50.78mm)
  • Engine: Crankshaft Main Bearing Journal Diameter "Maximum"
    2.0000" (50.80mm)
  • Engine: Crankshaft Main Bearing Clearance "Minimum"
    0.0024" (0.061mm)
  • Engine: Crankshaft Main Bearing Clearance "Maximum"
    0.0042" (0.107mm)
  • Engine: Crankshaft Connecting Rod Journal Diameter "Minimum"
    1.6252" (41.28mm)
  • Engine: Crankshaft Connecting Rod Journal Diameter "Maximum"
    1.6260" (41.30mm)
  • Engine: Crankshaft End Play " Minimum"
    0.0060" (0.152mm)
  • Engine: Crankshaft End Play " Maximum"
    0.0120" (0.305mm)
  • Engine: Connecting Rod, Large Bore Diameter Rod Torqued ( no bearing)"Minimum"
    1.7505" (44.46mm)
  • Engine: Connecting Rod, Large Bore Diameter Rod Torqued ( no bearing)"Maximum"
    1.7510"(44.48mm)
  • Engine: Connecting Rod Side Clearance "Minimum"
    0.0020" (0.051mm)
  • Engine: Connecting Rod Side Clearance "Maximum"
    0.0160" (0.406mm)
  • Engine: Piston Pin Bushing Bore "Minimum"
    0.7504" (19.06mm)
  • Engine: Piston Pin Bushing Bore "Maximum"
    0.7508" (19.07mm)
  • Engine: Connecting Rod Bearing To Crankshaft Clearance "Minimum"
    0.0020" (0.051mm)
  • Engine: Camshaft Bearing Journal Diameter "Minimum"
    1.3740" (34.90mm)
  • Engine: Camshaft Bearing Journal Diameter "Maximum"
    1.3745" (34.91mm)
  • Engine: Camshaft Bearing Clearance "Minimum"
    0.0015" (0.038mm)
  • Engine: Camshaft Bearing Clearance "Maximum"
    0.0030" (0.076mm)
  • Engine: Camshaft Lobe Height "Intake"
    1.1670" (29.64mm)
  • Engine: Camshaft Lobe Height "Exhaust"
    1.1570" (29.39mm)
  • Engine: Piston Clearance In Cylinder (90 Drgrees to pin 1.187" below top) "minimum"
    0.0070" (0.178mm)
  • Engine: Piston Clearance In Cylinder (90 Drgrees to pin 1.187" below top) "maximum"
    0.0090" (0.229mm)
  • Engine: Piston Pin Bore " Minimum"
    0.7502" (19.06mm)
  • Engine: Piston Pin Bore " Maximum"
    0.7506" (19.07mm)
  • Engine: Ring Groove Width Compression "Minimum"
    0.0800" (2.032mm)
  • Engine: Ring Groove Width Compression "Maximum"
    0.0810" (2.057mm)
  • Engine: Ring Groove Width Oil Control Ring "Minimum"
    0.1880" (4.775mm)
  • Engine: Ring Groove Width Oil Control Ring "Maximum"
    0.1890" (4.801mm)
  • Engine: Piston Pin Clearance in Piston "Minimum"
    0.00004" (0.001mm)
  • Engine: Piston Pin Clearance in Piston "Maximum"
    0.00064" (0.016mm)
  • Engine: Piston Pin Clearance in Connecting Rod " Minimum"
    0.0002" (0.005mm)
  • Engine: Piston Pin Clearance in Connecting Rod " Maximum"
    0.0008" (0.020mm)
  • Engine: Piston Pin Diameter "Minimum"
    0.7500" (19.05mm)
  • Engine: Piston Pin Diameter "Maximum"
    0.7502" (19.06mm)
  • Engine: Ring Clearance In Top Groove "Minimum"
    0.0020" (0.051mm)
  • Engine: Ring Clearance In Top Groove "Maximum"
    0.0080" (0.203mm)
  • Engine: Ring End Gap In Cylinder " Minimum"
    0.0100" (0.254mm)
  • Engine: Ring End Gap In Cylinder " Maximum"
    0.0200" (0.508mm)
  • Engine: Intake Valve Stem Diameter "Minimum"
    0.3425" (8.700mm)
  • Engine: Intake Valve Stem Diameter "Maximum"
    0.3430" (8.712mm)
  • Engine: Intake Valve Stem Clearance Stem To Guide "Minimum"
    0.0010" (0.025mm)
  • Engine: Intake Valve Stem Clearance Stem To Guide "Maximum"
    0.0025" (0.064mm)
  • Engine: Intake Valve Face Angle
    44 Degrees
  • Engine: Intake Seat Cylinder Head Bore Diameter " Minimum"
    1.5645" (39.74mm)
  • Engine: Intake Seat Cylinder Head Bore Diameter " Maximum"
    1.5655" (39.76mm)
  • Engine: Intake Seat Outside Diameter "Minimum"
    1.5690" (39.85mm)
  • Engine: Intake Seat Outside Diameter "Maximum"
    1.5700" (39.88mm)
  • Engine: Intake Valve Seat Width "Minimum"
    0.0310" (0.787mm)
  • Engine: Intake Valve Seat Width "Maximum"
    0.0470" (1.194mm)
  • Engine: Intake Valve Seat Angle
    45 Degrees
  • Engine: Exhaust Valve Stem Diameter "Minimum"
    0.3410" (8.661mm)
  • Engine: Exhaust Valve Stem Diameter "Maximum"
    0.3420" (8.687mm)
  • Engine: Exhaust Valve Clearance Stem to Guide "Minimum"
    0.0025" (0.064mm)
  • Engine: Exhaust Valve Clearance Stem to Guide "Maximum"
    0.0040" (0.102mm)
  • Engine: Exhaust Valve Face Angle
    44 Degrees
  • Engine: Exhaust Valve Seat Cylinder Head Bore "Minimum"
    1.2510" (31.78mm)
  • Engine: Exhaust Valve Seat Cylinder Head Bore "Maximum"
    1.2520" (31.80mm)
  • Engine: Exhaust Valve Seat Outside Diameter "Minimum"
    1.2550" (31.88mm)
  • Engine: Exhaust Valve Seat Outside Diameter "Maximum"
    1.2560" (31.90mm)
  • Engine: Exhaust Valve Seat Width "Minimum"
    0.0310" (0.787mm)
  • Engine: Exhaust Valve Seat Width "Maximum"
    0.0470" (1.194mm)
  • Engine: Exhaust Valve Seat Angle
    45 Degrees
  • Engine: Valve Guide Intake I.D. "Minimum"
    0.3440" (8.738mm)
  • Engine: Valve Guide Intake I.D. "Maximum"
    0.3460" (8.788mm)
  • Engine: Valve Guide Exhaust I.D. "Minimum"
    0.3440" (8.738mm)
  • Engine: Valve Guide Exhaust I.D. "Maximum"
    0.3460" (8.788mm)
  • Engine: Tappet Body Diameter "Minimum"
    0.7475" (18.99mm)
  • Engine: Tappet Body Diameter "Maximum"
    0.7480" (19.00mm)
  • Engine: Tappet Bore Diameter "Minimum"
    0.7500" (19.05mm)
  • Engine: Tappet Bore Diameter "Maximum"
    0.7515" (19.09mm)
  • Engine: Head Clearance In Bore "Minimum"
    0.0020" (0.051mm)
  • Engine: Head Clearance In Bore "Maximum"
    0.0040" (0.102mm)
  • Engine: Valve Spring Free Length (Approx.)
    1.662" (42.21mm)
  • Engine: Valve Spring Length Valve Open
    1.125" (28.58mm)
  • Engine: Valve Spring Length Valve Closed
    1.375" (34.93mm)
  • Engine: Head Spring Load Valve Open
    71 lbs. (32 kg)
  • Engine: Head Spring Load Valve Closed
    38 lbs. (17 kg)
  • Engine: Timing Gear Backlash "Minimum"
    0.0010" (0.025mm)
  • Engine: Timing Gear Backlash "Maximum"
    0.0050" (0.127mm)
  • Engine: Oil Pump Gear Backlash "Minimum"
    0.0010" (0.025mm)
  • Engine: Oil Pump Gear Backlash "Maximum"
    0.0080" (0.203mm)
  • Engine Torque: Gearcase Cover
    8-10 ft.lbs. (11-14 Nm)
  • Engine Torque: Rear Bearing Plate Screws
    25-27 ft.lbs. (34-37Nm)
  • Engine Torque: Starter Mounting Bolts
    19-21 ft.lbs.(25-28Nm)
  • Engine Torque: Connecting Rod Bolts
    27-29 ft.lbs. (37-39Nm)
  • Engine Torque: Flywheel Capscrews
    50-55 ft.lbs. (67-75Nm)
  • Engine Torque: Oil Base
    18-23 ft.lbs.(24-31Nm)
  • Engine Torque: Oil Pump
    7-9 ft.lbs. (10-12Nm)
  • Engine Torque: Valve Cover
    4-8 ft.lbs. (5-11Nm)
  • Engine Torque: Cylinder Head Nuts ( w/Compression Washers)
    14 ft.lbs. (19Nm)
  • Engine Torque: Cylinder Head Nuts ( w/o Compression Washers)
    17 ft.lbs. (23Nm)
  • Engine Torque: Intake Manifold Mounting Screws
    6-10 ft.lbs. (8-14Nm)
  • Engine Torque: Exhaust Manifold Mounting Screws
    9-11 ft. lbs. (12-15Nm)
  • Engine Torque: 1/4" Cylinder Block Stud & Nuts
    7-9 ft.lbs. (10-12Nm)
  • Engine Torque: 5/16" Cylinder Block Stud & Nuts
    8-10 ft.lbs. (11-14Nm)
  • Engine Torque: 3/8" Cylinder Block Stud & Nuts
    18-23 ft.lbs. (24-31Nm)
  • Engine: Spark Plug Gap
    .025"/ .64mm

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