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John Deere 170 Engine
John Deere 170 Engine Specifications
Engine Model ............. Kawasaki FC420V
Engine Type ............. Forced Air-cooled, Vertical Shaft, OHV,
4-Stroke Gasoline
Number of Cylinder ............. 1
Piston Displacement, cc (cu.in) ............. 423 (25.8)
Engine Bore, mm (in) ............. 89.0 (3.50)
Engine Stroke, mm (in) ............. 68.0 (2.68)
Engine Power, Hp (kW) ............. 14.0 (10.4)
Maximum Torque, Nm (ft-lb) ............. 30.6 (22.5)
Fast Idle Speed, rpm ............. 3275-3425
Low Idle Speed, rpm ............. 1450-1650
Fuel System Type ............. Carburetor
Carburetor Type ............. Float Fixed Main Jet
Fuel Pump ............. Diaphragm Type Pulse Pump
Governor ............. Mechanical Flyweight
Lubricating Method ............. Pressurized
Direction of Rotation ............. Counterclockwise facing the PTO
Shaft
Choke Control ............. Automatic (with Throttle Control)
Cooling System ............. Forced-air
Air Cleaner ............. Semi-cyclone Type with Dual Element
Cooling Air Inlet ............. Rotating Screen with Periphery Blade
Protector
Ignition System Type ............. Transistorized Flywheel Magneto
Charging Coil ............. 12V-3A with Rectifier
Electrical System Rating, Volts ............. 12
Alternator Charging Capacity, Amp ............. 13
Electric Starter ............. 12V-0.6 kW Shift Type
Recommended Battery ............. 12V-200CCA
John Deere 170 Engine Maintenance Data
Valve Adjustment
Intake Valve Clearance (cold) ............. 0.15 mm (0.006 in.)
Exhaust Valve Clearance (cold) ............. 0.15 mm (0.006 in.)
Valve Spring Free Length ............. 37.5 mm (1.47 in.)
Intake Valve Seat Width ............. 1.10-1.46 mm (0.043-0.057 in.)
Exhaust Valve Seat Width ............. 1.10-1.46 mm (0.043-0.057 in.)
Engine Oil and Filters
Engine Oil Type ............. SAE 10W-30/10W-40
Oil Classification ............. SF, SE, SD API service classification
Oil Capacity, L (qts) ............. 1.3 (1.4)
Oil Filter Part Number ............. AM107423
Air Filter Part Number ............. M97211
Carburetor Adjustment
1-Idle mixture adjustment: Turn pilot screw clockwise until just closes.
2-Do not turn screw in too far to avoid pointed end damaged.
3-Open screw by turning 1-1/2 counterclockwise as initial setting.
4-Start and allow engine to warm.
5-Move speed control lever or throttle lever on equipment to "idle"
position.
6-Adjust throttle stop screw to obtain 1550 RPM by turning it in or out.
7-Adjust pilot screw by turning clockwise (lean) or counterclockwise
(rich) to obtain peak of idling.
8-Then turn out pilot screw 1/4 more from peak.
9-Readjust throttle stop screw to obtain and satisfy specified 1550 RPM
idling.
Low idle speed, rpm ............. 1550
Fast idle speed, rpm ............. 3550
Ignition System
Spark Plug ............. NGK BPR5ES
Spark Plug Gap, mm (in) ............. 0.7-0.8 (0.028-0.031)
Ignition Coil Air Gap, mm (in) ............. 0.3 (0.012)
Spark Plug Torque, Nm ............. 15
John Deere 170 Engine Repair Specifications
Cylinder Block
Cylinder Bore Inside Diameter (Maximum), mm (in) ............. 89.076
(3.5069)
Cylinder Bore Out Of Round (Maximum), mm (in) ............. 0.063
(0.0025)
Cylinder Boring Size (0.25 mm Oversize), mm (in) .............
89.230-89.210 (3.5130-3.5122)
Cylinder Boring Size (0.50 mm Oversize), mm (in) .............
89.480-89.460 (3.5228-3.5220)
Cylinder Boring Size (0.75 mm Oversize), mm (in) .............
89.730-89.710 (3.5327-3.5319)
Top Ring Groove Clearance (Maximum), mm (in) ............. 0.17 (0.0067)
Second Ring Groove Clearance (Maximum), mm (in) ............. 0.15
(0.0059)
Oil Ring Groove Clearance (Maximum), mm (in) ............. 0.20 (0.0079)
Piston Pin Hole Diameter (Maximum), mm (in) ............. 22.037
(0.8676)
Piston Pin Diameter (Minimum), mm (in) ............. 21.977 (0.8652)
Top and Second Piston Ring Thickness (Minimum), mm (in) .............
1.94 (0.076)
Top and Second Piston Ring End Gap (Maximum), mm (in) ............. 0.9
(0.035)
Connecting Rod Small End Diameter (Maximum), mm (in) .............
22.059 (0.8685)
Connecting Rod Big End Diameter (Maximum), mm (in) ............. 41.068
(1.6169)
Rocker Arm Diameter, mm (in) ............. 12.936-13. 068
(0.5093-0.5145)
PTO Bearing Inside Diameter (Maximum), mm (in) ............. 35.069
(1.3807)
Valves
Clearance Between Valve Stem And Rocker Arm, mm (in) ............. 0.15
(0.006)
Intake Valve Stem Diameter (Minimum), mm (in) ............. 6.930
(0.2728)
Exhaust Valve Stem Diameter (Minimum), mm (in) ............. 6.915
(0.2722)
Valve Spring Free Length, mm (in) ............. 37.5 (1.47)
Intake/Exhaust Valve Seat Width, mm (in) ............. 1.10-1.46
(0.043-0.057)
Valve Guide Inside Diameter, mm (in) ............. 7.00-7.015
(0.2756-0.2762)
Crankshaft and Camshaft
Crankshaft Bearing Journal Diameter (PTO Side, Minimum), mm (in)
............. 34.919 (1.3747)
Crankshaft Bearing Journal Diameter (Magneto Side, Minimum), mm (in)
............. 34.945 (1.3757)
Crank Pin Outside Diameter (Minimum), mm (in) ............. 40.928
(1.6113)
Balancer Link Rod Journal Outside Diameter (Minimum), mm (in)
............. 53.950 (2.1240)
Crankshaft End Play, mm (in) ............. 0.09-0.22 (0.0035-0.0087)
Balancer Link Rod Big End Inside Diameter (Maximum), mm (in)
............. 54.121 (2.1307)
Camshaft Bearing Inside Diameter (Maximum), mm (in) ............. 21.076
(0.8298)
Camshaft Bearing Inside Diameter (Minimum), mm (in) ............. 20.076
(0.7904)
Camshaft Bearing Journal Diameter (Camshaft Side, Minimum), mm (in)
............. 20.912 (0.8233)
Camshaft Bearing Journal Diameter (Gear Side, Minimum), mm (in)
............. 19.912 (0.7839)
Lobe Height (Minimum), mm (in) ............. 36.75 (1.447)
John Deere 170 Engine Tightening Torque Specs
Connecting rod bolt, Nm (lbf-in) ............. 20 (180)
Crankcase cover bolt, Nm (lbf-in) ............. 26 (230)
Valve clearance adjust nut, Nm (lbf-in) ............. 20 (180)
Cylinder head bolt and nut, Nm (lbf-in) ............. 52 (380)
Flywheel nut, Nm (lbf-in) ............. 137 (101)
Electric starter to block bolt and nut, Nm (lbf-in) ............. 16
(140)
Electric starter terminal nut, Nm (lbf-in) ............. 9 (80)
Oil drain plug, Nm (lbf-in) ............. 23 (200)
PTO side crankshaft end bolt (with plane washer), Nm (lbf-in)
............. 38 (340)
Engine mounting flange bolt (M8) (if equipped), Nm (lbf-in)
............. 20 (180)
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JOHN DEERE LAWN TRACTORS SPECIFICATIONS |
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ENGINES FOR JOHN DEERE LAWN TRACTORS |
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JOHN DEERE TRACTORS ATTACHMENTS | ||||
420 | 430 | 455 | 790 | 990 |
X300 | X320 | X330 | X350 | X475 |
X485 | X500 | X540 | X570 | X590 |
X700 | X720 | X738 | X758 | 1023E |
2025R | 2210 | 2520 | 3025E | 3032E |
3038E | 3038R | 3039R | 3046R | 3203 |
3320 | 3520 | 4052R | 4066R | 4100 |
4105 | 4115 | 4200 | 4310 | 4320 |
4400 | 4410 | 4520 | 4600 | 4720 |
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JOHN DEERE FRONT END LOADERS |
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JD TRACTORS TROUBLESHOOTING | ||||
2640 | 3040 | 3310 | 3650 | 4100 |
5050D | 5090R | 5410 | 6105R | 7200R |
E130 | L111 | LA110 | LT155 | X300R |
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JOHN DEERE FARM TRACTORS SPECIFICATIONS |
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