HMR-1600
Product Information
- Model #: 55620
- Serial #: 9000001 - 9999999
- Product Type: Riding Products
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Assembly Drawings
Search for a part within assembly drawings:
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Service Manual
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Operator's Manual
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Parts Catalog
Mulcher Kit, 52" Mower (Part # 30700)
Mulcher Kit, 44" Mower (Part # 30752)
Red Paint (Gallon) (Part # 361-11)
Genuine OEM Part
Red Paint (Part # 5340)
Genuine OEM Part
38" Side Discharge Mower (Part # 55650)
44" Side Discharge Mower (Part # 55660)
48" Rear Discharge Mower (Part # 55665)
52" Side Discharge Mower (Part # 55670)
7.5 cu. ft. Easy Empty Grass Catcher-38" (Part # 59178)
7.5 cu .ft. Twin Bagger-38" (Part # 59186)
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Model #
55620 -
Serial #
9000001 - 9999999 -
Product Name
HMR-1600 -
Product Brand
Toro -
Product Type
Riding Products -
Product Series
HMR -
Swath
Deck Optional -
Discharge
Deck Optional -
Engine/Motor Manufacturer
Kohler -
Engine/Motor Size
16 hp -
Engine/Motor Type
4 Cycle -
Engine Starter
Electric -
Transmission Type
Gear
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Engine: Displacement
42.18 (cu.in.) -
Engine: Horsepower
16 -
Engine: Bore
3.12" -
Engine: Stroke
2.75" -
Engine: Compression Ratio
5.8:1 -
Engine: Approx. Weight
130lbs. -
Engine: Approx. Oil Capacity (With out oil filter)
1.75 qts. -
Engine: Camshaft End Play
.003/.013" -
Engine: Camshaft to Camshaft Bearing Running Clearance
.0010/.0025" -
Engine: Preliminary Idle Fuel Screw Setting
1.25 Turns -
Engine: Float Level
.690/.720" -
Engine: Connecting Rod to Crankpin Running Clearance (New)
.0012/.0024" -
Engine: Rod to Crankpin Max. Wear Limit
.0029" -
Engine: Rod to Piston Pin Running Clearance (New)
.0006/.0011" -
Engine: Rod Side Play On Crankpin
.005/.016" -
Engine: Crankshaft End Play
.002/.014" -
Engine: Main Bearing Surface Max. Wear Limit
1.7407" -
Engine: Sleeve Bearing Max. (out of round).
.0005" -
Engine: Sleeve Bearing Max. Taper
.001" -
Engine: New Sleeve Bearing Max. Running Clearance
.0049" -
Engine: Sleeve Bearing Running Clearance Max. Wear Limit
.0059" -
Engine: New Sleeve Bearing I.D. (Installed)
1.7439/1.7461" -
Engine: Crankpin O.D. (New)
1.3733/1.3738" -
Engine: Crankpin O.D. Max. Wear Limit
1.3728" -
Engine: Crankpin O.D. Max. Out of Round
.0005" -
Engine: Crankpin O.D. Max. Taper
.001" -
Engine: Cylinder Bore I.D. (new)
3.1245/3.1255" -
Engine: Cylinder Bore I.D. Wear Limit
3.128" -
Engine: Cylinder Bore I.D. Max. Out of Round
.002" -
Engine: Cylinder Bore I.D. Max.Taper
.0015" -
Engine: Cylinder Head Max. Out of Flatness
.003" -
Engine: Ignition Module to Magnet Air Gap
.008/.012" -
Engine: Spark Plug Type
(Champion) RV15YC -
Engine: Oil Pump Shaft To Crankcase Running Clearance
.0010/.0026" -
Engine: Oil Pump Drive Gear End Play
.010/.029" -
Engine: Piston Thrust Face O.D. @ D1 (New)
3.1203/3.1210" -
Engine: Piston Thrust Face O.D.@ D1 Max. Wear Limit
3.1181" -
Engine: Piston Thrust Face to Bore Clearance @ D1 (New)
.0035/.0052" -
Engine: Piston Ring End Gap (New)
.010/.023" -
Engine: Piston Ring End Gap (Used Max.)
.032" -
Engine: Piston Ring Side Clearance (Max)
.006" -
Engine: Piston Pin O.D. (New)
.6247/.6249" -
Engine: Intake Valve To Tappet Clearance (Cold)
.003/.006" -
Engine: Exhaust Valve To Tappet Clearance (Cold)
.013/.016" -
Engine: Intake Valve Min. Lift - Zero Lash
.274" -
Engine: Exhaust Valve Min. Lift - Zero Lash
.274" -
Engine: Intake Valve Stem Min. O.D.
.3103" -
Engine: Exhaust Valve Stem Min. O.D.
.3088" -
Engine: Norminal Valve Seat Angle (Intake & Exhaust)
45 & 30 Degrees -
Engine: Valve Guide Reamer Size
.3125" -
Engine: Intake Valve Guide I.D. Max. Wear Limit
.005" -
Engine: Exhaust Valve Guide I.D. Max. Wear Limit
.007" -
Engine Torque: Throttle Plate / Choke Plate Retaining Screw
8/12 in.-lbs. -
Engine Torque: Main Fuel Jet
12/16 in.-lbs. -
Engine Torque: Bowl Retaining Screws
45/55 in.-lbs -
Engine Torque: Connecting Rod Nut ( New )
140 in.-lbs. -
Engine Torque: Connecting Rod Nut ( Used )
100 in.- lbs. -
Engine Torque: IN. & EX. Manifold Fastener
150 in.- lbs. -
Engine Torque: Oil Pan Fastener
150 in.- lbs. -
Engine Torque: Cylinder Barrel Nut
200 in.- lbs. -
Engine Torque: Crankcase Nut
260 in. - lbs. -
Engine Torque: 5/16 Crankcase Screw
200 in.- lbs. -
Engine Torque: 3/8 Crankcase Screw
260 in.- lbs. -
Engine Torque: Cap Screw
15/20 ft.- lbs -
Engine Torque: Fan Fastener
115 in.- lbs -
Engine Torque: Flywheel Fastener
40 ft.- lbs -
Engine Torque: Fuel Pump
40/45 in.- lbs. -
Engine Torque: Spark Plug Torque
10/15 ft.- lbs -
Engine Torque: Engine Mtd. Filter Adapter Fastener
125 in.- lbs -
Engine Torque: Remote Oil Filter Cover Fastener
125 in.- lbs -
Engine Torque: Remote Oil Line Fitting Nut
65/80 in.- lbs. -
Engine Torque: Remote Oil Line Reducing Connector
65/80 in.- lbs. -
Engine Torque: Remote Oil Line Flare Nut
100/120 in.- lbs. -
Engine Torque: Remote Oil Filter Adapter Fitting
90/130 in.- lbs. -
Engine Torque: Oil Filter Installation
50/80 in.- lbs. -
Engine Torque: Oil Filter Bypass Cover
125 in.- lbs. -
Engine Torque:
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Chassis: Tire Pressure
12 PSI / .5kg sq. cm -
Drive System: Ground Speed
Fwd. 1.5 - 5.8 Rev. 1.8 mph -
Engine: Battery
12V 160CCA -
Engine: Engine Speed
High 3200, Low 1750 RPM -
Engine: Spark Plug
Champion RV15YC -
Engine: Spark Plug Gap
.030"/ .76mm