Z500, D650, D750

B5100D
B5100E
B6100D
B6100E
B6100HST-D
B6100HST-E
B7100D B7100HST-D
B7100HST-E
GENERAL
Engine Model Z500-1A D650- A D650- AH D750-A D750-AH
Number of Cylinders 2 3 3 3 3
Bore 68 mm
(2-5/8 in.)
64 mm
(2-1/2 in.)
64 mm
(2-1/2 in.)
68 mm
(2-5/8 in.)
68 mm
(2-5/8 in.)
Stroke 70 mm
(2-3/4 in.)
70 mm
(2-3/4 in.)
70 mm
(2-3/4 in.)
70 mm
(2-3/4 in.)
70 mm
(2-3/4 in.)
Displacement 508 cc
(31 cu. in.)
675 cc
(41.2 cu. in.)
675 cc
(41.2 cu. in.)
762 cc
(46.5 cu. in.)
762 cc
(46.5 cu. in.)
Compression Ratio 22:1 22:1 22:1 22:1 3
Tune-up
Valve Tappet Gap (Cold) 0.15-0.20 mm
0.006-0.008 in.
0.15-0.20 mm
0.006-0.008 in.
0.15-0.20 mm
0.006-0.008 in.
0.15-0.20 mm
0.006-0.008 in.
0.15-0.20 mm
0.006-0.008 in.
Injection Timing (BTDC) 25° 25° 25° 25° 25°
Timing Mark Location Flywheel Flywheel Flywheel Flywheel Flywheel
Injection Pressure 13.7 MPa
(1988 psi)
13.7 MPa
(1988 psi)
13.7 MPa
(1988 psi)
13.7 MPa
(1988 psi)
13.7 MPa
(1988 psi)
Battery -
Volts 12 12 12 12 12
Capacity 35 amp/hr 45 amp/hr 45 amp/hr 45 amp/hr 45 amp/hr
Ground Polarity Negative Negative Negative Negative Negative
Slow Idle Speed (rpm) 750-800 750-800 750-800 750-800 750-800
High Idle Speed (rpm) 3000 2800 2800 2800 2800
Rated Speed (rpm) 3000 2800 2800 2800 2800
Horsepower at Pto Shaft 9.5 11 11 13 13
Hydraulic System -
Maximum Pressure 11.8 MPa
(1710 psi)
11.8 MPa
(1710 psi)
11.8 MPa
(1710 psi)
11.8 MPa
(1710 psi)
11.8 MPa
(1710 psi)
Rated Delivery 11.78 liters/min
(3.1 GPM)
11.78 liters/min
(3.1 GPM)
11.78 liters/min
(3.1 GPM)
11.78 liters/min
(3.1 GPM)
11.78 liters/min
(3.1 GPM)
Sizes and Clearances
Crankshaft
Main Journal
43.934-43.950 mm (1. 7297-1. 7303 in)
Bearing Clearance 0.034-0.106 mm (0.0013-0.0042 in.)
Crankshaft
Crankpin Journal
36.959-36.975 mm (1.4551-1.4557 in. )
Bearing Clearance 0.029-0.087 mm (0.0011-0.0034 in.)
Side Clearance 0.2-0.4 mm (0.008-0.016 in.)
Crankshaft End Play 0.15-0.3 mm (0.006-0.012 in.)
Camshaft Journal 32.934-32.950 mm (1.2966-1.2972 in.)
Bearing Clearance 0.050-0.091 mm (0.0020-0.0036 in.)
Camshaft Side Clearance 0.07-0.22 mm (0.0028-0.0087 in.)
Valve Stem Diameter - Intake and Exhaust 6.960-6.975 mm (0.2740-0.2746 in.)
Valve Face Angle 45°
Valve Seat Angle 45°
Piston Pin 20.002-20.011 mm (0.7875-0.7878 in.)
Piston Pin Clearance 0.015-0.04 mm (0.0006-0.0015 in.)
Piston Skirt-to-Cylinder Clearance 0.076-0.102 mm (0.003-0.0045 in.)
Capacities
Crankcase oil 2.3 L (2.4 qts.) 3.9 L (4.1 qts.) 3.9 L (4.1 qts.) 3.9 L (4.1 qts.) 3.9 L (4.1 qts.)
Lubricant Type CC or CD CC or CD CC or CD CC or CD CC or CD
Cooling System 3 L (0.78 gal.) 4.6 L (1.20 gal.) 4.6 L (1.20 gal.) 4.6 L (1.20 gal.) 4.6 L (1.20 gal.)
Transmission/
Hydraulic System
8.5 L
(2.21 gal.)
11.5 L
(3 gal.)
13.5 L
(3.6 gal.)
11.5 L
(3 gal.)
13.5 L
(3.6 gal.)
Lubricant Type See Para. 90
Front Axle
Differential Case
0.5 L
(0.53 qts.)
0.5 L
(0.53 qts.)
0.5 L
(0.53 qts.)
0.7 L
(0.74qts.)
0.7 L
(0.74qts.)
Fluid Type SAE 80 / Gear Lube
Front Axle Gear Case 0.15 L (0.15 qts.) 0.15 L (0.15 qts.) 0.15 L (0.15 qts.) 0.15 L (0.15 qts.) 0.15 L (0.15 qts.)
Fluid Type SAE 80 / Gear Lube