Kubota V2607 Specifications
| Engine Model: Kubota V2607-DI-E3B |
| Engine Type: 4-cycle vertical 4-cylinder direct injection liquid-cooled diesel |
| Total Displacement: 159.6 cu.in (2.62 L) |
| Rated Engine Power: 47 Hp (35 kW) at 2920 rpm |
| Aspiration Type: Naturally aspirated |
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Engine model ............... Kubota V2607-DI-E3B
Engine type ............... 4-stroke vertical direct injection turbocharged diesel
Number of cylinders ............... 4
Total displacement, L (cu.in) ............... 2.62 (159.6)
Cylinder Bore, mm (in) ............... 87.0 (3.43)
Piston Stroke, mm (in) ............... 110.0 (4.33)
Gross power, kW (Hp) ............... 36.5 (48.9)
Net power, kW (Hp) ............... 35.0 (47.0)
Maximum speed, rpm ............... 2920
Idle speed, rpm ............... 825-875
Aspiration type ............... Naturally aspirated
Firing order ............... 1-3-4-2
Compression ratio ............... 20:1
Combustion chamber ............... Reentrant type
Direction of rotation ............... Counter-clockwise
Lubrication system ............... Forced lubrication by trochoid pump
Oil filter type ............... Full flow paper filter (cartridge)
Cooling system ............... Pressurized radiator, forced circulation with water pump
Engine oil capacity, L (qts) ............... 10.2 (10.8)
Starting system ............... Electric starting with starter
Electrical system rating, Volts ............... 12
Fuel system ............... Direct injection
Injection pump ............... Bosch PFR4KZ
Injection nozzle ............... Bosch P type
Governor type ............... Mechanical
Overall Length, mm (in) ............... 623 (24.5)
Overall Width, mm (in) ............... 481 (18.9)
Overall Height, mm (in) ............... 640 (25.2)
Dry Weight, kg (lbs) ............... 225 (496)
Cylinder Bore I.D (Standard) ............... 87.000-87.022 mm (3.4252-3.4260 in)
Cylinder Bore I.D (Wear Limit) ............... 87.15 mm (3.431 in)
Cylinder Bore Oversize I.D (Standard) ............... 87.250-87.272 mm (3.4350-3.4359 in)
Cylinder Bore Oversize I.D (Wear Limit) ............... 87.40 mm (3.441 in)
Connecting Rod Alignment ............... 0.05 mm (0.002 in)
Connecting Rod Small End Bushing I.D ............... 26.025-26.040 mm (1.0246-1.0252 in)
Crankshaft Side Clearance ............... 0.15-0.35 mm (0.0059-0.013 in)
Crankshaft Alignment ............... 0.02 mm (0.0008 in)
Crank Pin to Crank Pin Bearing Clearance ............... 0.011-0.058 mm (0.00044-0.0022 in)
Crank Pin O.D ............... 46.980-46.991 mm (1.8496-1.8500 in)
Crankshaft Journal to Bearing Clearance ............... 0.030-0.051 mm (0.0012-0.0020 in)
Crankshaft Journal O.D ............... 72.977-72.990 mm (2.8732-2.8736 in)
Cylinder Head Surface Flatness ............... 0.05 mm (0.002 in)
Valve Clearance (Cold) ............... 0.13-0.17 mm (0.0052-0.0068 in)
Top Clearance ............... 0.60-0.80 mm (0.024-0.031 in)
Valve Recessing ............... 0.65-0.85 mm (0.026-0.033 in)
Valve Face Angle ............... 0.79 rad (45 deg)
Valve Seat Angle ............... 0.79 rad (45 deg)
Intake Valve Stem O.D ............... 5.968-5.980 mm (0.2350-0.2354 in)
Intake Valve Guide I.D ............... 6.010-6.025 mm (0.2367-0.2372 in)
Intake Valve Stem to Guide Clearance ............... 0.030-0.057 mm (0.0012-0.0022 in)
Exhaust Valve Stem O.D ............... 5.953-5.965 mm (0.2344-0.2348 in)
Exhaust Valve Guide I.D ............... 6.010-6.025 mm (0.2367-0.2372 in)
Exhaust Valve Stem to Guide Clearance ............... 0.045-0.072 mm (0.0018-0.0028 in)
Intake Valve Seat Width ............... 3.3-3.6 mm (0.13-0.14 in)
Exhaust Valve Seat Width ............... 3.3-3.6 mm (0.13-0.14 in)
Intake Valve Timing (Open) ............... 0.21 rad (12 deg) before T.D.C.
Intake Valve Timing (Close) ............... 0.77 rad (44 deg) after B.D.C.
Exhaust Valve Timing (Open) ............... 0.86 rad (49 deg) before B.D.C.
Exhaust Valve Timing (Close) ............... 0.30 rad (17 deg) after T.D.C.
Valve Spring Free Length (Standard) ............... 35.4-35.9 mm (1.40-1.41 in)
Valve Spring Free Length (Wear Limit) ............... 34.9 mm (1.37 in)
Rocker Arm Shaft to Rocker Arm Clearance ............... 0.016-0.045 mm (0.00063-0.0017 in)
Rocker Arm Shaft O.D ............... 13.973-13.984 mm (0.55012-0.55055 in)
Rocker Arm I.D ............... 14.000-14.018 mm (0.55119-0.55188 in)
Camshaft Side Clearance ............... 0.10 mm (0.0039 in)
Camshaft Alignment ............... 0.01 mm (0.0004 in)
Camshaft Oil Clearance ............... 0.050-0.091 mm (0.0020-0.0035 in)
Camshaft Journal 1 O.D ............... 34.934-34.950 mm (1.3754-1.3759 in)
Camshaft Journal 2 O.D ............... 41.934-41.950 mm (1.6510-1.6515 in)
Cam Height (Intake) ............... 32.56 mm (1.282 in)
Cam Height (Exhaust) ............... 33.00 mm (1.299 in)
Piston Pin Bore I.D (Standard) ............... 26.000-26.013 mm (1.0237-1.0241 in)
Piston Pin Bore I.D (Wear Limit) ............... 26.05 mm (1.026 in)
Piston Pin to Small End Bushing Clearance ............... 0.014-0.034 mm (0.00056-0.0013 in)
Piston Pin O.D ............... 26.006-26.011 mm (1.0239-1.0240 in)
Top Ring Gap ............... 0.20-0.35 mm (0.0079-0.013 in)
Second Ring Gap ............... 0.30-0.45 mm (0.012-0.017 in)
Oil Ring Gap ............... 0.25-0.45 mm (0.0099-0.017 in)
Top Ring Groove Clearance ............... 0.050-0.090 mm (0.0020-0.0035 in)
Second Ring Groove Clearance ............... 0.090-0.12 mm (0.0035-0.0047 in)
Oil Ring Groove Clearance ............... 0.020-0.060 mm (0.00079-0.0023 in)
Cylinder bore inside diameter, mm (in) ............... 87.000-87.022 (3.4252-3.4261)
Cylinder compression, kPa (psi) ............... 2200-3200 (319-464)
Cylinder head (max out of flatness), mm (in) ............... 0.05 (0.002)
Intake valve clearance (Cold), mm (in) ............... 0.13-0.17 (0.0052-0.0068)
Exhaust valve clearance (Cold), mm (in) ............... 0.13-0.17 (0.0052-0.0068)
Engine oil pressure (Idle Speed), kPa (psi) ............... 49 (7)
Engine oil pressure (Rated Speed), kPa (psi) ............... 197-392 (29-57)
Injection pressure, kPa (psi) ............... 18630-21570 (2700-3130)
Injection timing, deg (rad) ............... 0.25 (0.0044) after T.D.C.
Engine oil type ............... SAE 10W-30, 15W-40
Oil classification (API service) ............... CF, CF-4, CG-4, CH-4, or CI-4
Engine oil capacity, L (qts) ............... 10.2 (10.8)
Oil filter part number ............... HH1C0-32430
Fuel filter part number ............... HH166-43560
Air filter part number ............... 59800-26110, 3A111-19130
Check Fuel Pipes ............... Every 100 hours
Service Air Filter ............... Every 250 hours
Clean Fuel Filter ............... Every 250 hours
Check Battery ............... Every 250 hours
Check Belt Tension ............... Every 250 hours
Change Engine Oil ............... Every 500 hours
Replace Oil Filter ............... Every 500 hours
Replace Fuel Filter ............... Every 500 hours
Clean Radiator Fins ............... Every 500 hours
Replace Fan Belt ............... Every 500 hours
Check Valve Clearance ............... Every 1000 hours
Replace Air Filter ............... Every 1000 hours
Check Injection Nozzles ............... Every 2000 hours
Check Fuel Injection Pump ............... Every 3000 hours
Change Engine Coolant ............... Every 3000 hours
Cylinder head mounting screw (M13x1.25) ............... 147-156 Nm (109-115 lb-ft)
Cylinder head cover screw (M6x1.0) ............... 9.81-11.2 Nm (7.24-8.31 lb-ft)
Camshaft set screw (M8x1.25) ............... 24-27 Nm (18-20 lb-ft)
Rocker arm bracket screw (M8x1.25) ............... 24-27 Nm (18-20 lb-ft)
Connecting rod screw (M8x1.0) ............... 45-49 Nm (33-36 lb-ft)
Crankshaft screw (M16x1.5) ............... 255-274 Nm (188-202 lb-ft)
Flywheel housing mounting screw (M12x1.25) ............... 78-90 Nm (58-66 lb-ft)
Flywheel screw (M12x1.25) ............... 98.1-107 Nm (72.4-79.5 lb-ft)
Injection pump gear mounting nut (M16x1.5) ............... 93.2-102 Nm (68.8-75.9 lb-ft)
Oil cooler joint screw (M20x1.5) ............... 64-73 Nm (47-54 lb-ft)
Front cover mounting screw (M8x1.25) ............... 24-27 Nm (18-20 lb-ft)
Idle gear mounting screw (M10x1.25) ............... 49-55 Nm (37-41 lb-ft)
Injection pipe retaining nut (M12x1.5) ............... 23-36 Nm (17-26 lb-ft)
Nozzle holder clamp screw (M8x1.25) ............... 24-27 Nm (18-20 lb-ft)
Alternator pulley nut ............... 58.4-78.9 Nm (43.1-58.2 lb-ft)
Oil pump cover screw (M6) ............... 7.9-9.3 Nm (5.8-6.8 lb-ft)
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