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Hatz 1D90V Engine

General Technical Data

Engine Specifications

Engine Model ............... Hatz 1D90V
Engine Type ............... 4-stroke air-cooled single-cylinder direct injection vertical diesel
Number of Cylinders ............... 1
Engine Bore, in (mm) ............... 4.09 (104.0)
Engine Stroke, in (mm) ............... 3.35 (85.0)
Displacement, cu.in (cc) ............... 44.06 (722)
Rated Engine Power, hp (kW) ............... 8.6-15.0 (6.4-11.2)
Rated Engine Speed, rpm ............... 1500-3000
Peak Torque ............... 30.02 lb-ft (40.7 Nm) at 2000 rpm
Idle Speed ............... 850-950 rpm
Aspiration Type ............... Naturally Aspirated
Operating Speed ............... 3000 rpm
Compression Ratio ............... 20.5:1-21.5:1
Rotation Direction ............... Counterclockwise looking at flywheel
Combustion System ............... Direct injection
Crankcase Material ............... Die-cast aluminum alloy
Cylinder Liner Material ............... Gray cast iron
Crankshaft Bearings ............... Plain bearing type
Connecting Rod Bearings ............... Plain bearing type
Piston Type ............... Three-ring aluminum alloy piston
Valves Per Cylinder ............... 2 (1 overhead intake, 1 overhead exhaust)
Valve Mechanism ............... Rocker arms, push rods, finger followers, camshaft
Crankshaft Balance ............... Integrated compensation weights on flywheel side
Cylinder Block Type ............... Die-cast light alloy crankcase
Cylinder Head Type ............... Light alloy cast
Lubrication System ............... Pressurized lubrication with main flow filter
Oil Pump Type ............... Gear-driven oil pump
Oil Filter Type ............... Fine filter in the main flow, spin-on
Cooling System ............... Air-cooled via flywheel-integrated cooling fan
Cooling Fan Type ............... Flywheel integrated axial fan
Air Cleaner Type ............... Dry-type air cleaner with blockage indicator
Emissions Certification ............... EU Stage V and US EPA Tier 4 Final
Starting System ............... Electric Starter or Crankhandle start
Electrical System ............... 12V or 24V

Fuel System

Injection Pump Type ............... Integrated single plunger high-pressure pump
Injection Nozzle Type ............... Multi-hole nozzle unit
Fuel Injection Pressure, psi (bar) ............... 2900-3625 (200-250)
Fuel Feed Pump ............... Mechanical diaphragm lift pump
Governor Type ............... Mechanical centrifugal governor
Fuel Filter Type ............... Spin-on fine cartridge filter
Fuel Specification ............... EN 590, BS 2869 A1/A2, ASTM D 975-09a S15/2-D
Fuel Tank Capacity, gal (L) ............... 1.85 (7.0)
Fuel Line Material ............... Steel high-pressure line, braided low-pressure lines
Fuel Return Line ............... Low-pressure spill return line to tank
Fuel System Bleeding ............... Manual vent screw on injection pump body
Water Separator ............... Integrated fuel pre-filter with water trap
Maximum Fuel Lift, ft (m) ............... 3.3 (1.0)
Injection Timing, deg ............... 10-12 BTDC
Fuel Consumption at Max Power, lb/h (kg/h) ............... 5.73 (2.60) at 3000 rpm
Specific Fuel Consumption, g/kWh (g/hph) ............... 235 (175)
Injection Pipe Outer Diameter, in (mm) ............... 0.24 (6.0)
Injection Pipe Inner Diameter, in (mm) ............... 0.08 (2.0)
Nozzle Holder Assembly ............... Screw-fit assembly into cylinder head block

Dimensions and Weight

Overall Length, in (mm) ............... 15.6-20.3 (395-515)
Overall Width, in (mm) ............... 19.3-21.4 (490-545)
Overall Height, in (mm) ............... 22.2-24.1 (565-615)
Dry Weight with Crank Start, lbs (kg) ............... 260 (118)
Dry Weight Basic Core, lbs (kg) ............... 214 (97)

Maintenance Data

Service Information

Compression Pressure Minimum, psi (bar) ............... 406 (28.0)
Oil Pressure at Low Idle, psi (bar) ............... 8.7-11.6 (0.6-0.8)
Oil Pressure at Rated Speed, psi (bar) ............... 36.2-43.5 (2.5-3.0)
Lubricating Oil Temperature, F (C) ............... 266 (130)
Intake Valve Clearance (Cold), in (mm) ............... 0.0118 (0.30)
Exhaust Valve Clearance (Cold), in (mm) ............... 0.0118 (0.30)

Engine Oil

Engine Oil Type .................. SAE 5W-30, SAE 10W-30, 10W-40
API Service Classifications ......................... CK-4 or CJ-4
Engine Oil Capacity (Maximum Level), qt (L) ............... 1.69 (1.60)
Engine Oil Capacity (Minimum Level), qt (L) ............... 0.95 (0.90)

Service Intervals

Change engine oil ............... Every 250 hours
Clean oil filter ............... Every 250 hours
Replace fuel filter ............... Every 500 hours
Service air filter ............... Every 500 hours
Valve-lash adjustment ............... Every 250 hours
Check fuel system ............... Every 500 hours
Compression test ............... Every 1000 hours
Replace breather valve ............... Every 1000 hours
Belt inspection ............... Every 100 hours

Service Specifications

Cylinder Bore Inside Diameter, in (mm) ............... 4.0945-4.0953 (104.000-104.020)
Cylinder Bore Maximum Taper in (mm) ............... 0.0019 (0.05)
Cylinder Bore Maximum Out of Roundness, in (mm) ............... 0.0059 (0.150)
Connecting Rod Big End Journal Clearance, in (mm) ............... 0.0016-0.0031 (0.040-0.080)
Main Bearing Journal Clearance, in (mm) ............... 0.0020-0.0035 (0.050-0.090)
Main Bearing Journal Outside Diameter, in (mm) ............... 2.7559-2.7565 (70.000-70.015)
Crankshaft Crankpin Journal Diameter, in (mm) ............... 2.3622-2.3628 (60.000-60.015)
Crankshaft Axial End Play, in (mm) ............... 0.0039-0.0079 (0.100-0.200)
Piston Skirt Outside Diameter, in (mm) ............... 4.0905-4.0913 (103.900-103.920)
Piston to Cylinder Wall Clearance, in (mm) ............... 0.0031-0.0045 (0.080-0.115)
Piston Pin Bore Inside Diameter, in (mm) ............... 1.2598-1.2602 (32.000-32.010)
Piston Pin Outside Diameter, in (mm) ............... 1.2594-1.2596 (31.990-31.995)
Piston Pin to Small End Bushing Clearance, in (mm) ............... 0.0004-0.0009 (0.010-0.023)
Top Ring Groove Side Clearance, in (mm) ............... 0.0024-0.0039 (0.060-0.100)
Second Ring Groove Side Clearance, in (mm) ............... 0.0016-0.0031 (0.040-0.080)
Oil Ring Groove Side Clearance, in (mm) ............... 0.0012-0.0028 (0.030-0.070)
Top Ring End Gap, in (mm) ............... 0.0118-0.0197 (0.300-0.500)
Second Ring End Gap, in (mm) ............... 0.0118-0.0197 (0.300-0.500)
Oil Ring End Gap Limit, in (mm) ............... 0.0098-0.0177 (0.250-0.450)
Intake Valve Stem Outside Diameter, in (mm) ............... 0.3543-0.3549 (9.000-9.015)
Exhaust Valve Stem Outside Diameter, in (mm) ............... 0.3539-0.3545 (8.990-9.005)
Intake Valve Guide Inner Diameter, in (mm) ............... 0.3555-0.3563 (9.030-9.050)
Exhaust Valve Guide Inner Diameter, in (mm) ............... 0.3555-0.3563 (9.030-9.050)
Intake Valve Stem to Guide Clearance, in (mm) ............... 0.0006-0.0020 (0.015-0.050)
Exhaust Valve Stem to Guide Clearance, in (mm) ............... 0.0010-0.0024 (0.025-0.060)
Intake Valve Head Recession, in (mm) ............... 0.0275-0.0433 (0.700-1.100)
Exhaust Valve Head Recession, in (mm) ............... 0.0275-0.0433 (0.700-1.100)
Valve Spring Free Length in (mm) ............... 1.9685 (50.000)
Camshaft Journal Clearance, in (mm) ............... 0.0012-0.0028 (0.030-0.070)
Camshaft Journal Diameter, in (mm) ............... 1.9685-1.9691 (50.000-50.015)

Tightening Torques

Cylinder Head Nuts (1-Step), lb-ft (Nm) ............... 22.1 (30.0)
Cylinder Head Nuts (2-Step), lb-ft (Nm) ............... 44.2 (60.0)
Cylinder Head Nuts (3-Step), lb-ft (Nm) ............... 66.4 (90.0)
Connecting Rod Cap Bolts (1-Step), lb-ft (Nm) ............... 14.7 (20.0)
Connecting Rod Cap Bolts (2-Step), lb-ft (Nm) ............... 36.9 (50.0)
Flywheel Retaining Central Nut, lb-ft (Nm) ............... 258.1 (350.0)
Crankcase Split-Line Perimeter Bolts, lb-ft (Nm) ............... 16.2 (22.0)
Crankcase Main Support Tie Bolts, lb-ft (Nm) ............... 33.2 (45.0)
Engine Oil Drain Plug, lb-ft (Nm) ............... 36.9 (50.0)
Engine Oil Pressure Sensor Switch, lb-ft (Nm) ............... 14.7 (20.0)
Injection Pump Flange Nut, lb-ft (Nm) ............... 18.4 (25.0)
Injection Nozzle Hold-Down Bracket Bolt, lb-ft (Nm) ............... 20.6 (28.0)
Injection High Pressure Line Union Nuts, lb-ft (Nm) ............... 22.1 (30.0)
Cylinder Head Valve Cover Capscrews, lb-ft (Nm) ............... 7.4 (10.0)
Timing Gear Housing Cover Fasteners, lb-ft (Nm) ............... 8.8 (12.0)
Rocker Shaft Support Mounting Bolt, lb-ft (Nm) ............... 29.5 (40.0)
Camshaft Retaining Thrust Flange Screws, lb-ft (Nm) ............... 8.8 (12.0)
Governor Housing Cover Retention Screws, lb-ft (Nm) ............... 7.4 (10.0)
Fuel Feed Diaphragm Pump Flange Nuts, lb-ft (Nm) ............... 16.2 (22.0)
Fuel Tank Base Cradle Mounting Bolts, lb-ft (Nm) ............... 18.4 (25.0)
Exhaust Silencer Cowling Mounting Nuts, lb-ft (Nm) ............... 24.3 (33.0)
Air Intake Manifold Port Connection Bolts, lb-ft (Nm) ............... 8.8 (12.0)
Dry Air Cleaner Housing Frame Bolts, lb-ft (Nm) ............... 16.2 (22.0)
Electric Starter Motor Flange Mounting Studs, lb-ft (Nm) ............... 33.2 (45.0)
Flywheel Charging Alternator Stator Fasteners, lb-ft (Nm) ............... 7.4 (10.0)
Speed Control Adjustment Lever Pivot Nut, lb-ft (Nm) ............... 11.1 (15.0)
Oil Pump Casing Counter-sunk Screws, lb-ft (Nm) ............... 7.4 (10.0)
Engine Support Base Mounting Foot Bolts, lb-ft (Nm) ............... 62.7 (85.0)
Breather Valve Assemblies Retention Covers, lb-ft (Nm) ............... 4.4 (6.0)
Decompression Axle Lever Pivot Lock Nut, lb-ft (Nm) ............... 8.8 (12.0)
Auxiliary Side Power Take Off Flange Screws, lb-ft (Nm) ............... 16.2 (22.0)
Oil Filter Spin-On Adaptor Spindle Fitting, lb-ft (Nm) ............... 25.8 (35.0)

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• Hatz Engines Specs
  
• Hatz 1D90 Specs
  
• Hatz 1D90E Specs
  
• Hatz 1D90Z Specs
  

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