Komatsu JV06H-3(S/N 5001-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu JV06H-3 (S/N 5001-UP) is a small, single-drum, hand-guided (walk-behind) vibratory roller built for Japan-domestic trench, shoulder, and light soil/asphalt compaction work. Operating weight runs around 600 kg with a drum/compaction width near 600 mm, powered by a small single-cylinder, air-cooled Yanmar-sourced diesel engine rated around 3.7 kW (5.0 PS) with mechanical governor and fuel injection and no electronic engine controls; the exact engine model is not published for this serial range. The JV06H-3 sits in Komatsu's compact hand-guided roller line alongside the JV06HM-2 (forward-reverse), JV07HK-3, and JV08H-3/JV08HM-2, well below the larger ride-on JV16, JV25, JV32W, JV40CW, and JV100A rollers in both weight and drum width. The -3 designation marks a running update to the earlier JV06H-1 and JV06H-2 generations, with this documentation covering machines from serial number 5001 forward.
Across the JV06H generations, changes were incremental rather than a ground-up redesign: Komatsu carried the compact single-drum layout and small air-cooled diesel through the -1, -2, and -3 revisions, refining the engine, exciter, and control linkage while offering configuration variants such as the forward-reverse JV06HM-2 alongside the forward-only JV06H line. In the used and parts market this class of roller circulates mainly through Japan-domestic construction, utility, and landscaping fleets, valued for trench and shoulder compaction where full-size rollers can't maneuver. Because the engine is small and mechanically governed with no onboard electronics, parts demand centers on wear items, drum bearings, exciter belts, filters, and engine tune-up components, rather than emissions or control hardware, which keeps this a straightforward, low-cost machine to service and keep running well beyond Komatsu's factory support cycle.
Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.
Komatsu JV06H-3(S/N 5001-UP) specifications
Engine
| Engine make | Yanmar-sourced diesel (exact engine model not published for this serial range — verify with your dealer) |
| Rated output | 3.7 kW (5.0 PS) |
| Fuel type | Diesel (light oil) |
| Emissions tier | Not documented for this exact serial range |
Weights
| Operating weight | 600 kg (1,323 lb) |
Dimensions
| Overall length | 2,400 mm (94.5 in) |
| Overall width | 650 mm (25.6 in) |
| Overall height | 1,100 mm (43.3 in) |
| Drum (compaction) width | 600 mm (23.6 in) |
Performance
| Travel speed / gradeability | Not published for this exact serial range — verify with your dealer |
Service capacities (summary)
| Fuel tank | 5.6 L (1.5 US gal) |
| Water (spray) tank | 21 L (5.5 US gal) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
JV06H-3(S/N 5001-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | Not documented for this exact serial range — verify with your dealer or the OMM fluid chart | Komatsu genuine engine oil (EO) grade per ambient temperature chart in the OMM |
| Fuel tank | Not documented for this exact serial range — verify with your dealer or the OMM fluid chart | Diesel (light oil); exact grade not confirmed for this serial range |
| Hydraulic/vibration system | Not documented for this exact serial range — verify with your dealer or the OMM fluid chart | Komatsu genuine hydraulic oil (HO) per ambient temperature chart in the OMM |
| Grease points | Spec only, no fill volume | Komatsu genuine grease (G2-LI or equivalent multipurpose grease) per OMM lubrication schedule |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu JV06H-3(S/N 5001-UP) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 3,000 h |
|
Servicing the JV06H-3(S/N 5001-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
With no ECU or fault-code system on the JV06H-3's small air-cooled diesel, condition monitoring relies on manual checks. Track engine oil color and smell at each 250-hour change for early signs of overheating or fuel dilution. Sample exciter (vibration unit) gear oil at 500-hour intervals, checking for metallic sheen that signals bearing wear. Watch the fuel tank and water/sprinkler tank for sediment or algae buildup, and log drum-bearing play and belt-tension trends over time to catch drivetrain wear before it causes a breakdown.
Corrective & Common Repairs
Typical JV06H-3 repairs center on the exciter drive belt, drum scraper blade, and small-engine tune-up components; belt glazing or slip from grease contamination is the most common vibration-loss complaint. Water sprinkler pump and nozzle clogging causes drum-sticking on asphalt work, so flush the tank and lines at the first sign of reduced spray. Handlebar throttle and vibration-control cable stretch leads to sluggish engine response; inspect and re-adjust free play before assuming a governor fault. Cracked rubber engine-mount isolators cause excess handlebar vibration.
Overhaul & Rebuild Points
Because the JV06H-3 pairs a small mechanically governed diesel with a simple single-eccentric exciter, overhaul work focuses on the drum bearing housings, exciter shaft and eccentric weights, and the engine top end. At major rebuild, inspect drum bearing seals for water ingress, common given the onboard sprinkler tank, replace exciter bearings as a set, and decarbonize the cylinder head and valve seats. Check the frame and handlebar mounting points for fatigue cracking from sustained vibration loading before returning the machine to service.
Seasonal & Environment Servicing
The JV06H-3's compact size and exposed air-cooled engine make it sensitive to dust and moisture. In hot, dusty conditions, clean or replace the air filter element more often than the standard interval and check cooling fins for packed debris. Before winter storage or an extended idle period, drain the water/sprinkler tank and lines completely to prevent freeze-cracking, and drain the small fuel tank or add stabilizer given its limited fuel capacity. Grease drum bearings before any extended lay-up to keep moisture out.
JV06H-3(S/N 5001-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| YM105198-55600 | Fuel Filter Ass'Y | Fuel system service | Check fitment → |
| YM105098-12960 | Element | Scheduled service item | Check fitment → |
| YM105370-55710 | Element | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
JV06H-3(S/N 5001-UP) attachments & work tools
Roller class and configuration
The JV06H-3 (S/N 5001-UP) is a hand-guided, walk-behind vibratory roller in Komatsu's smallest JV-series class, in the roughly 0.6 t operating-weight range. It is built for trench, path, and utility compaction rather than open road work.
Drum type
Fitted with a fixed smooth-steel vibrating drum for granular soil and light asphalt compaction. This micro walk-behind class does not use the bolt-on pad-foot/sheepsfoot shell kits offered for Komatsu's larger ride-on JV-series rollers; no drum-shell swap is documented for this model.
Water spray/sprinkler system
A drum-wetting kit (small tank plus spray bar or drip line) is the main factory-style option for this roller class, used to stop hot asphalt from sticking to the drum during patching work.
Drum scraper
An adjustable scraper bar rides against the drum face to clear soil and asphalt buildup. It is a standard fitment for keeping the drum clean rather than a separate swap-in work tool.
Mounting/coupler system
No quick-coupler or interchangeable work-tool interface is used. The vibrating drum and chassis form one rigid integral unit, unlike excavator-class machines that mount separate attachments.
Handling and transport
A central lifting bail or eye is provided for crane or forklift loading given the machine's light weight, and the guide-handle assembly is arranged for compact transport and storage; exact folding/removable handle provisions vary by configuration.
Guarding and safety options
A belt/drive guard covers the vibration exciter and drive components, and an operator-presence (deadman) handle control is standard for this hand-guided roller class.
All JV06H-3(S/N 5001-UP) assemblies by section
Every catalogued assembly group for the Komatsu JV06H-3(S/N 5001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Engine? Engine Related Parts And Electrical System
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Air Intake Pipe And Air Cleaner(#5001-5745)
| YM***02 | Bolt Plated | 2 |
| YM***90 | Bolt | 1 |
| YM***70 | Support,Air Cleaner | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Air Intake Pipe And Air Cleaner(#5746-)
| YM***02 | Bolt Plated | 2 |
| YM***22 | Pipe,Air Intake | 1 |
| YM***11 | Pan,Dust | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Bonnet
| YM***41 | Spring | 1 |
| YM***70 | O-Ring (Kit) | 1 |
| YM***20 | Bonnet Ass'Y | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Breather
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Camshaft
| YM***00 | Rod,Push | 2 |
| YM***91 | Cam,Fuel | 1 |
| YM***22 | Screw | 2 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Crankshaft
| YM***00 | Crankshaft Ass'Y | 1 |
| YM***00 | Weight,Balance | 2 |
| YM***30 | Nut | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Cylinder Block
| YM***80 | Cover,Cylinder Block | 1 |
| YM***10 | Bearing,Ball | 1 |
| YM***00 | Housing Ass'Y,Bearing | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Cylinder Head
| YM***00 | Plug | 1 |
| YM***02 | Nut | 1 |
| YM***21 | Spring,Valve | 2 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Electrical System(#5001-5900)
| 01***25 | Capscrew | 2 |
| 01***16 | Bolt - Seat And Tether Belt Mounting | 8 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Electrical System(#6000-)
| 01***25 | Capscrew | 2 |
| 01***16 | Bolt - Seat And Tether Belt Mounting | 12 |
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Exhaust Silencer
| YM***62 | Screw | 1 |
| YM***90 | Cover | 1 |
| YM***10 | Silencer,Exhaust | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Fan Drive
| YM***01 | V-Belt | 1 |
| YM***50 | Pin | 1 |
| YM***10 | Pulley Ass'Y | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Flywheel And Cover
| YM***81 | Pad | 4 |
| YM***61 | Stay,Flywheel Cover | 1 |
| YM***30 | Stud | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Fuel Control Lever(#5001-5900)
| 01***40 | Bolt, Mount Master Brake Cylinder | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Fuel Control Lever(#6000-)
| 01***45 | Bolt,(With Water Separator Type) | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Fuel Filter And Piping
| YM***02 | Screw | 1 |
| YM***10 | Element | 1 |
| YM***10 | Retainer | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Fuel Injection Pump And Piping
| YM***70 | Retainer, Spring | 1 |
| YM***20 | Spring | 1 |
| YM***20 | Pin,Tappet Roller | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Fuel Nozzle And Spill Pipe
| YM***20 | Spring | 1 |
| YM***00 | Pipe | 1 |
| YM***00 | Nozzle | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Fuel Tank
| YM***51 | Gasket (Kit) | 1 |
| YM***20 | Felt | 1 |
| YM***20 | Bracket | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Gasket Kit
| YM***51 | Gasket (Kit) | 1 |
| YM***70 | O-Ring (Kit) | 1 |
| YM***31 | Gasket,Cylinder Head (Kit) | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Gear Cover
| YM***01 | Ball | 1 |
| YM***02 | Nut | 3 |
| YM***22 | Stud | 3 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Governor And Control Lever
| YM***01 | Ball | 1 |
| YM***00 | Pin,Taper | 1 |
| YM***02 | Nut | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Hst Pump And Coupling(#5001-5900)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt (Itl) | 6 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Hst Pump And Coupling(#6000-)
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 1 |
| 01***30 | Bolt | 6 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Lubricating Oil Pump
| YM***51 | Sensor,Oil Pressure | 1 |
| YM***00 | Sender,Oil | 1 |
| YM***70 | Cover,Oil Pump | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Mark And Plate
| YM***50 | Plate? Caution,Radiator | 1 |
| YM***00 | Plate? Instruction,Inspection And Maintenance | 1 |
| YM***20 | Plate? Operating,Starting Switch | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Piston And Connecting Rod
| YM***00 | Rod,Connecting | 1 |
| YM***20 | Piston Ring Ass'Y | 1 |
| YM***80 | Piston Ass'Y | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Radiator
| YM***30 | Screen | 1 |
| YM***90 | Cap | 1 |
| YM***30 | Tank | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Rocker Arm
| YM***90 | Support,Rocker Arm | 1 |
| YM***02 | Nut,Rock | 2 |
| YM***30 | Screw,Adjusting | 2 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Special Tool
| YM***02 | Nut | 1 |
| YM***02 | Nut | 2 |
| YM***20 | Retainer,(B) | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Starting Handle
| 26***00 | Bracket,Handle | 1 |
| YM***00 | Ring, Snap | 1 |
| YM***10 | Clamp Ass'Y,Handle | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Starting Motor
| YM***02 | Bearing,Ball | 1 |
| YM***42 | Cover | 1 |
| YM***05 | Gear Case Ass'Y | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Starting Motor And Mounting
| YM***80 | Cover | 1 |
| YM***02 | Nut | 4 |
| YM***40 | Wire Harness,(A) | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Starting Switch And Regulator
| YM***30 | Key | 2 |
| YM***20 | Lamp,Pilot | 1 |
| YM***20 | Switch,Starting | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Engine? Engine Related Parts And Electrical System : Tool
| YM***70 | Wrench | 1 |
| YM***20 | Wrench | 1 |
| YM***50 | Screw Driver | 1 |
Frame And Guard
Komatsu : Jv06h-3(S/N 5001-Up) : Frame And Guard : Cover(#5001-5900)
| 01***16 | Bolt (With Air Heater & Conditioner) | 6 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 6 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 6 |
Komatsu : Jv06h-3(S/N 5001-Up) : Frame And Guard : Cover(#6000-)
| 01***25 | Bolt,(Rear Attachment Less) | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 5 |
Komatsu : Jv06h-3(S/N 5001-Up) : Frame And Guard : Frame(#5001-5555)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
Komatsu : Jv06h-3(S/N 5001-Up) : Frame And Guard : Frame(#5556-5900)
| 01***30 | Bolt,(With Body Positioner) | 8 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 4 |
Komatsu : Jv06h-3(S/N 5001-Up) : Frame And Guard : Frame(#6000-)
| 01***30 | Bolt,(With Body Positioner) | 8 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 4 |
Komatsu : Jv06h-3(S/N 5001-Up) : Frame And Guard : Marks And Plates (English)(#5001-5900)
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***10 | Plate? Safety,Hydraulic Tank Cap | 1 |
| 09***80 | Plate? Mark,Komatsu | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Frame And Guard : Marks And Plates (English)(#6000-)
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***81 | Plate? Safety,Warning Before Ope.And Mainte | 1 |
| 09***10 | Plate? Safety,Hydraulic Tank Cap | 1 |
Roller And Final Drive
Komatsu : Jv06h-3(S/N 5001-Up) : Roller And Final Drive : Roller
| 01***30 | Bolt,(With Body Positioner) | 8 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 8 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 12 |
Komatsu : Jv06h-3(S/N 5001-Up) : Roller And Final Drive : Vibration Shaft(#5001-5900)
| 01***25 | Bolt,(Rear Attachment Less) | 3 |
| 01***12 | Bolt | 3 |
| 01***16 | Capscrew | 3 |
Komatsu : Jv06h-3(S/N 5001-Up) : Roller And Final Drive : Vibration Shaft(#6000-)
| 01***25 | Bolt,(Rear Attachment Less) | 3 |
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***12 | Bolt | 3 |
Steering System
Komatsu : Jv06h-3(S/N 5001-Up) : Steering System : Handle And Stopper(#5001-5255)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***35 | Bolt | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Steering System : Handle And Stopper(#5256-5900)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
| 01***35 | Bolt | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Steering System : Handle And Stopper(#6000-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
| 01***35 | Bolt | 1 |
Tool And Accessory Parts
Komatsu : Jv06h-3(S/N 5001-Up) : Tool And Accessory Parts : Tool(#5001-5900)
| 09***00 | Tag,Do Not Operate | 1 |
| 26***00 | Stopper Ass'Y | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Tool And Accessory Parts : Tool(#6000-)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 2 |
| 09***00 | Tag,Do Not Operate | 1 |
Transmission
Komatsu : Jv06h-3(S/N 5001-Up) : Transmission : Belt Tension(#5001-5900)
| 01***16 | Bolt - Box Mounting | 3 |
| 01***16 | Bolt - Seat And Tether Belt Mounting | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Jv06h-3(S/N 5001-Up) : Transmission : Belt Tension(#6000-)
| 01***16 | Bolt - Box Mounting | 3 |
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 3 |
Komatsu : Jv06h-3(S/N 5001-Up) : Transmission : Travel Control Lever(#5001-5900)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
Komatsu : Jv06h-3(S/N 5001-Up) : Transmission : Travel Control Lever(#6000-)
| 01***30 | Bolt | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
| 01***11 | Nut (Welded) | 1 |
Water Spray System And Oil Tank
Komatsu : Jv06h-3(S/N 5001-Up) : Water Spray System And Oil Tank : Oil Piping(#5001-5900)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
| 01***16 | Bolt | 3 |
Komatsu : Jv06h-3(S/N 5001-Up) : Water Spray System And Oil Tank : Oil Piping(#6000-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 3 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 01***50 | Capscrew | 2 |
Komatsu : Jv06h-3(S/N 5001-Up) : Water Spray System And Oil Tank : Oil Tank(#5001-5900)
| 01***16 | Bolt (With Air Heater & Conditioner) | 3 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Jv06h-3(S/N 5001-Up) : Water Spray System And Oil Tank : Oil Tank(#6000-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
| 07***24 | O-Ring | 2 |
Komatsu : Jv06h-3(S/N 5001-Up) : Water Spray System And Oil Tank : Travel Motor
| 26***00 | Motor Ass'Y,Travel | 2 |
| 26***10 | Screw | 4 |
| 26***20 | Seal,Dust (Kit) | 1 |
Komatsu : Jv06h-3(S/N 5001-Up) : Water Spray System And Oil Tank : Water Piping(#5001-5555)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 4 |
Komatsu : Jv06h-3(S/N 5001-Up) : Water Spray System And Oil Tank : Water Piping(#5556-5900)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***16 | Screw | 6 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 6 |
Komatsu : Jv06h-3(S/N 5001-Up) : Water Spray System And Oil Tank : Water Piping(#6000-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***16 | Screw | 6 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 6 |
Komatsu : Jv06h-3(S/N 5001-Up) : Water Spray System And Oil Tank : Water Tank(#5001-5900)
| 01***40 | Bolt (Op) | 4 |
| 01***25 | Screw | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 8 |
Komatsu : Jv06h-3(S/N 5001-Up) : Water Spray System And Oil Tank : Water Tank(#6000-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***40 | Bolt (Op) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 8 |
Frequently asked questions
What engine powers the Komatsu JV06H-3 (S/N 5001-UP)?
A small single-cylinder, air-cooled Yanmar-sourced diesel engine rated around 3.7 kW (5.0 PS), with a mechanical governor and mechanical fuel injection and no ECU. The exact engine model is not published for this serial range — confirm with your dealer.
What is the operating weight of the JV06H-3?
Approximately 600 kg, with a drum/compaction width near 600 mm, sized for hand-guided trench, shoulder, and light asphalt/soil compaction work.
What replaced the Komatsu JV06H-3?
Komatsu continued its compact hand-guided roller line with siblings such as the JV06HM-2 (forward-reverse) and the JV08H-3/JV08HM-2, but no single named direct-replacement model is confirmed for this exact JV06H-3 (S/N 5001-UP) serial range in available documentation. Verify the current equivalent with your Komatsu dealer.
What JV06H-3(S/N 5001-UP) owners discuss
What do owners say about starting reliability on the JV06H-3?
What wear pattern shows up on the vibration (eccentric) assembly?
How does the water sprinkler system hold up over time?
Are there known electrical or sensor issues on this model?
Does the JV06H-3 use hydraulic drive, and what fails in that system?
What's the typical wear pattern on the drum and scraper?
What should I check before buying a used JV06H-3 (S/N 5001-up)?
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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