Engine Torque and Valve Clearance Specifications For Jinma Tractors
Here are the specifications for engine torque and valve clearance for the most common engines found in Jinma tractors, Farm Pro tractors, NorTrac tractors, and other Chinese tractors:
TY290 Engine
Cylinder Head Bolts = 128.80.25-142.36 Newton Meters or 95-105 Foot pounds
Connecting Rod Bolts = 101.69-115.24 Newton Meters or 75-85 Foot Pounds
Main Bearing Cap = 110.00-130 Newton Meters or 81-95 Foot Pounds
Exhaust Valve Clearance = .16 mm
Intake Valve Clearance = .14 mm
TY380 Engine
Cylinder Head bolts = 150~170 Newton Meters or 110.63~125.38 Foot Pounds
Main bearing cap bolts = 110~130 Newton Meters or 81.13~95.88 Foot Pounds
Connecting Rod Bolt s= 50~60 Newton Meters or 36.87~44.25 Foot Pounds
Flywheel Bolts = 60~70 Newton Meters or 44.25~51.62 Foot Pounds
Exhaust Valve Clearance = .25 to .3 mm
Intake Valve Clearance = .20 to .25 mm
TY385 Engine
Cylinder Head bolts = 150~170 Newton Meters or 110.63~125.38 Foot Pounds
Main bearing cap bolts = 175~195 Newton Meters or 129.07~143.82 Foot Pounds
Connecting Rod Bolts = 50~60 Newton Meters or 36.87~44.25 Foot Pounds
Flywheel Bolts = 60~70 Newton Meters or 44.25~51.62 Foot Pounds
Exhaust Valve Clearance = .25 to .3 mm
Intake Valve Clearance = .20 to .25 mm
TY395 Engine
Cylinder Head bolts= 150~170 Newton Meters or 110.63~125.38 Foot Pounds
Main bearing cap bolts= 150~160 Newton Meters or 110.63~118.00 Foot Pounds
Connecting Rod Bolts= 120~135 Newton Meters or 88.50~99.57 Foot Pounds
Flywheel Bolts= 90~110 Newton Meters or 66.38~81.13 Foot Pounds
Intake Valve Clearance = .35mm
Exhaust Valve Clearance = .40mm
SL3105ABT Engine
Cylinder Head bolts= M12 120~140 Newton Meters or 89~103 Foot Pounds
Cylinder Head Bolts= M14 140~160 Newton Meters or 103~118 Foot Pounds
Main Bearing Cap Bolts= 137.3-166.8 Newton Meters or 101.27-123.03 Foot Pounds
Flywheel Bolt= 98.1-117.7 Newton Meters or 72.36-86.81
Intake Valve Clearance = .30-.35mm
Exhaust Valve Clearance = .40-.45mm
C490BT Engine
Cylinder Head Bolts= 117~137 Newton Meters or 86~101 pound foot
Main Bearing Bolt= 137~156 Newton Meters or 101~115 pound foot
Connecting Rod Bolt= 98~117 Newton Meters or 72~86 pound foot
Flywheel Bolt= 98~117 Newton Meters or 72~86 pound foot
Starting Claw= 130~150 Newton Meters or 95~110 pound foot
Intake Valve Clearance = .35mm
Exhaust Valve Clearance = .45mm
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