01 Intended use
Suitable for mobile rinsing around outdoor facilities and equipment, gasoline-powered reduces reliance on power sources; when changing locations, arrange water supply, fuel, and personnel isolation together.
Jinjie high-pressure washer
JinjieJ-2815HHigh-pressure washer
This machine is more suitable for cleaning the exterior of outdoor facilities and equipment without a fixed power source, with gasoline power allowing for easy repositioning between points, reducing reliance on on-site power supply locations.
Established in 2004 | Site-trial discussion | Service support across China
02 Key performance figures
Maximum 28 MPa, 15 L/min flow; centralized treatment of surface adhered stains.
03 Working configuration
Engine, pump, piping, and working attachment should be checked separately; gasoline-powered units should be arranged according to outdoor conditions.
Product and operation video
The J-2815H and its applications
View the model's appearance and operation; discuss configuration against actual site conditions.
J-2815H Selection Consultation
Provide cleaning tasks, site conditions and frequency to confirm suitable configuration.
Enquire about this modelStart with your cleaning requirements
J-2815H, start with on-site tasks first.
Select a similar task, then check the material, dirt, power, and water supply conditions together.
01
Road dust maintenance
First check the personnel isolation, then verify the equipment configuration.
View selection criteria →02Factory equipment exterior.
First check the surface material, then verify the equipment configuration
View selection criteria →03Outdoor construction equipment
First check the water source, then verify the equipment configuration.
View selection criteria →04Disperse moving points.
First check the turn-around route, then verify the equipment configuration.
View selection criteria →Typical applications
J-2815H single-lance and optional surface-cleaning applications
Single-lance pressure cleaning
View detailed analysis →Target railing surface soil to reduce repeated hand cleaning
The standard long lance serves road-facility and property-outdoor surface tasks. Match distance to material and soil, with traffic separation, drainage and operator protection.
Surface cleaner (optional)
View detailed analysis →View this application →A surface cleaner works close to the floor to target surface soil
A surface cleaner is optional for hard floors. Confirm material, water and drainage before work; configuration follows the project and order.
Multi-nozzle flushing attachment (optional)
View detailed analysis →Broader floor flushing to carry away loose sediment
A multi-nozzle flushing attachment is optional for floor flushing. Confirm the project/order configuration; nozzle count is not assumed.
Cleaning challenges
What do you want to tackle first with pressure washing?
Fixed power can be inconvenient at vehicle, road and equipment cleaning points.
Equipment needs to move with the task rather than remain at one station.
Select the nozzle according to the material and dirt type, and set the distance and operating pressure.
Site conditions, configuration and selection
Where is the cleaning taking place, and what are the conditions? Determine the configuration together.
The following is a selection reference, which does not replace original technical data, on-site verification, and trial washing.
01 Road Facility Perimeter
Focus on checking personnel isolation.
02 Factory Equipment Exterior
Focus on the surface material.
03 Outdoor Construction Equipment
Focus on checking the operational water source.
04 Dispersed Mobile Points
Focus on the transition route.
| Field or task | Configuration that requires attention | J-2815H Selection Judgment |
|---|---|---|
| Road dust maintenance | Staff isolation; pressure, flow, and tool compatibility. | Test the cleaning with materials, dirt, and site conditions, and do not rely on the maximum pressure promise for cleaning effectiveness. |
| Factory equipment exterior. | Surface material; pressure, flow rate, and working attachment compatibility. | Test the cleaning with materials, dirt, and site conditions, and do not rely on the maximum pressure promise for cleaning effectiveness. |
| Outdoor construction equipment | Job water source; pressure, flow rate, and nozzle matching. | Test the cleaning with materials, dirt, and site conditions, and do not rely on the maximum pressure promise for cleaning effectiveness. |
| Disperse moving points. | Scene transition route; pressure, flow rate, and working attachment matching. | Test the cleaning with materials, dirt, and site conditions, and do not rely on the maximum pressure promise for cleaning effectiveness. |
Before selection, it is recommended to confirm the following four items:
- Identify the surface, the soil and any sensitive parts or areas that must stay dry.
- Outdoor environment, fuel management, and transfer route.
- Continuous water source, job distance, and wastewater discharge direction.
- Daily tasks, pipe gun attachments, and usage and maintenance conditions.
Accessories and task selection
Standard single lance; choose cleaning accessories by task
The long pressure lance is standard. Surface cleaners, multi-nozzle flushing and rotary nozzles are optional, subject to project and order.
The long pressure lance targets surface cleaning.
Match nozzles to material, soil and distance to help reduce repeated manual cleaning.
Select accessories for the hard-floor task.
Plan for material, water and drainage; confirm the project configuration and order.
Select accessories for coverage and soil conditions.
No nozzle count or simultaneous multi-lance capability is assumed. Discuss special configurations by project.
Technical specifications
Review day-to-day configuration first. Expand the full specifications for more detail.
Key parameters, view at a glance
Flow15L/min
Dimensions980×820×830mm
Weight90kg
Maximum pressure280bar（28MPa）
High-pressure pumpItalian AR industrial precision ceramic plunger pump
EngineHonda GX390
Full specifications for View
| Key operating figures | |||
|---|---|---|---|
| Maximum pressure | 280bar（28MPa） | Flow | 15L/min |
| High-pressure pump | Italian AR industrial precision ceramic plunger pump | Rotation speed | 3600r/min |
| High-pressure hose length | 15m | Maximum inlet water temperature | 60℃ |
| Drive and electrical system | |||
| Engine | Honda GX390 | Engine horsepower | 13HP |
| Fuel capacity | Gasoline 2.5 L | ||
| Machine configuration | |||
| Body material | Thickened 304 stainless steel | Weight | 90kg |
| Dimensions | 980×820×830mm | ||
How do these figures apply to your site?
A high-pressure washer cannot be judged solely by the pressure number. It is necessary to confirm the cleaning object, type of dirt, material, flow rate, power source, water supply, hose length, and daily continuous operating time simultaneously.
Components and their functions
Nozzle configuration
Single port quick connect 0°, 15°, 25°, 40°, each 1 pieces; other nozzles are optional, confirmed according to the project and order.
Optional accessories
Rotary nozzles, surface cleaners, multi-nozzle flushing bars, specialist jetting nozzles, extra high-pressure hose and other accessories outside the standard package are confirmed for each order.
Suitable / unsuitable for boundary
When does J-2815H fit, and when is another approach needed?
Candidate applications
- Outdoor equipment and vehicles
- Work points without fixed power
- Well-ventilated outdoor locations
- Mobile cleaning among work points
Assess a different solution
- Enclosed indoor spaces
- Exhaust-prohibited or noise-sensitive locations
- Insufficient water supply
- Locations requiring verified explosion protection
Comparison of similar models
How to choose between J-2815H and similar configurations.
First check your power and water supply conditions, then compare the working pressure, flow rate, and attachments to determine which model is more suitable.
| Corresponding projects |  J-2815C → |  J-2815H →Current Model |  J-3515H → |
|---|---|---|---|
| Pressure diameter | Confirm the configuration of this machine separately during selection. | Confirm the configuration of this machine separately during selection. | Confirm the configuration of this machine separately during selection. |
| Flow rate record | Confirm the configuration of this machine separately during selection. | Confirm the configuration of this machine separately during selection. | Confirm the configuration of this machine separately during selection. |
| Power Records | Confirm the configuration of this machine separately during selection. | Confirm the configuration of this machine separately during selection. | Confirm the configuration of this machine separately during selection. |
When comparing in the direction of equal pressure and higher pressure, the working diameter still needs to be confirmed separately. Specifically, the configuration and operating conditions should be confirmed together with each machine's data when selecting the model.
Operating cost
Equipment usage cost, how should it be calculated?
When there are no actual data on human resources, energy, and maintenance, the energy saving ratio is not publicized.
Procurement and supporting investment
Record the entire machine, the hose attachment, the on-site water system, and the fuel and mobile accessories.
Operating costs
Record the actual time spent by personnel, water, and fuel, taking into account the collection and discharge of waste.
Consumables and maintenance
Record piping, nozzle, sealing, and power maintenance according to this model's instructions, without estimating uniformly
Total operating cost＝purchase and accessories＋labor during usage period＋water and electricity or fuel＋consumables maintenance＋waste disposal.
When comparing, use the same task, usage duration, and cost range; separate the equipment investment from daily expenses.
MAINTENANCE
Include inspection and maintenance in each task.
Before maintenance, check the user manual for this machine to confirm the type of oil, maintenance schedule, and operating procedures; if there are any unclear points, bring the model number and usage conditions to consult after-sales service.
Water supply and connection
Check the water intake requirements and visible connections according to the instructions, and record any leaks, loosening, or abnormalities.
High-pressure hose and working attachment.
Check the hose, fittings, and spray nozzle condition, without using web images for reconnection.
Power and work records
Check the engine and fuel requirements as per the machine's instructions, record any abnormalities and usage conditions, then contact after-sales service.
Look at the picture to understand the equipment.
Overall appearance and configuration of J-2815H
First, understand the configuration and operational division by examining the overall appearance of the machine; the position and configuration of internal components can be further understood in conjunction with the machine's documentation.
Look at the picture to understand the equipment.
Components and their functions
01 frame and transport
Combine the complete appearance of the entire machine to check the equipment movement route and operational position.
02 Power Unit
Check the gasoline plan against the engine version, outdoor conditions, and fuel requirements first.
03 High-Pressure Pump
Check the pump type and operating conditions against the model nameplate and manual.
04 Water supply connection
Check the water source, connections, and continuous water supply conditions before work.
05 High-Pressure Pipeline
Check the delivery hose length, fittings, and pipeline pressure rating separately.
06 jet nozzle
Combine the cleaning material and task to confirm the applicable working attachment configuration.
Operating principle
The operation process of J-2815H is divided into four steps.
This is a function flow description and is not intended as the internal water circuit cross-section or component location diagram.
01 Water supply preparation
First, check the water source, inlet conditions, and sustainable water supply.
02 drive and pressure generation
The motor drives the pump operation, and the operating conditions should be checked against the specifications of this machine.
03 Pressure adjustment and piping
Organized by matching piping and working attachment for flushing, no assumption of valve setting.
04 jetting and collection
Arrange the work method according to the material, isolate splashing and collect the wastewater.
Professional selection
Pressure, flow rate, and site conditions should be considered together.
Do not take the maximum value as the continuous operating value, and do not take the theoretical hydraulic power as the rated power.
Pressure and flow rate
Working pressure, maximum pressure, and adjustable range are different for different diameters; they should be verified separately based on the original settings of this model and actual operating conditions.
Power and Environment
Gasoline internal combustion engines are not used in indoor or semi-enclosed spaces; outside, the machine's instructions still apply to tailpipe emissions, fire sources, and fuel management.
Water supply and working attachment
Continuous water supply, pipeline pressure resistance, and nozzle need to be matched; do not derive multi-gun capability or fixed area efficiency based on the entire machine's flow rate.
Construction details
Engine, pump, inlet and outlet connections
Through the overall view, understand J-2815H Honda GX390 main unit, long gun, high-pressure hose, and inlet connection, which is convenient for combining with your task for configuration.
Gasoline-powered area
Grouped engine components for routine inspection
Shows the petrol-engine area and nearby components for inspection reference. Follow the supplied manual for maintenance.
Pump / pressure gauge
Pump and gauge shown together for maintenance reference
Shows pump and gauge locations for inspection and maintenance reference. Follow the supplied manual for procedures.
Accessory configuration
Standard and optional accessories for J-2815H
Standard configuration for all models
- Single port quick connect nozzle: 0°, 15°, 25°, 40°, each 1 pieces.
- Long-handled high-pressure sprayer: 1 set
- High-pressure hose: 10 meters (standard configuration)
- Inlet hose: 1 set
Optional accessories
- Rotary nozzle (optional)
- Surface cleaner (optional)
- Multi-nozzle flushing attachment (optional)
- Dedicated drain-cleaning nozzle (optional)
- Additional pressure hose (optional)
- Other accessories not included in the standard configuration (optional)
Confirm against the project configuration and order. Flushing-nozzle count needs separate checking and does not establish simultaneous multi-lance capability.
The standard high-pressure hose is 10 meters. If on-site different hose lengths or additional high-pressure hoses are required, please check according to the project configuration and order. The hose length descriptions for the existing models on this page remain unchanged.
Delivery and after-sales service
Operating and maintaining the machine after delivery
Delivery, use, and maintenance can be communicated in advance; service scope, schedule, and costs are confirmed based on the actual project and agreement.
01 Delivery inspection
Verify the model, configuration, random documents, and appearance according to the order.
02 Operator training
As per the delivery equipment instructions, introduce the operation, shutdown, and precautions.
03 Operator guidance
Verify the usage method based on the task, water and electricity conditions, and on-site conditions.
04 Parts supply
Verify applicable accessories based on model, version, and original component specifications
05 On-site repairs
After fault communication, service is arranged according to the actual service scope and agreement.
06 Scheduled on-site maintenance
Schedule maintenance based on usage conditions and service agreements.
— FAQ
You may also be interested in J-2815H
Make judgment based on the tasks, configuration, and usage conditions of this model.
Can it be used continuously at a maximum of 28 MPa?
The maximum value cannot be directly substituted for normal working conditions; the specific pressure adjustment range and continuous operating conditions should be based on the pump and power data of this machine.
What should be focused on when cleaning road facilities?
Record the surface material, nearby people and vehicles, splashing range, and drainage route. First verify the applicable method, then arrange the work.
How should comparison be made with J-3515H?
First check the required task and pressure diameter, then separately verify the engine, pump, flow rate, and water source; do not simply choose a machine based on higher pressure.
Does mobile operation require a fixed water source?
The gasoline-powered solution addresses the power supply organization issue, while a continuous water source and drainage still require prior arrangement.
What documents should be provided during selection?
Cleaning object, surface material, dirt, no-water areas, working distance, water supply and drainage conditions. For the gasoline plan, also check the outdoor environment, fuel, and transfer.
How to confirm standard and optional configurations?
Verify each item on the order and delivery list. The long brush, angle nozzle, and base hose are separate from the additional hose length, rotating head, and floor scrubber, and are not determined by the image.
Where should daily maintenance start?
Retain J-2815H nameplate, configuration sheet, and random instructions. Check the engine visible condition, water supply, piping, and working attachment. Oils, cycles, and disassembly are according to the machine's instructions. The website does not provide cycles on its own.
What should be done if there is abnormal water discharge or pressure?
Follow the random instructions of J-2815H for shutdown processing, record the water source, fittings, pipelines, and abnormal phenomena, then contact after-sales. Do not disassemble the pipe under pressure, and do not modify the pressure regulating or protection components according to the web image.
Tell us the cleaning object, the dirt, and the water supply conditions, and together see how the J-2815H is configured.
Phone consultation: 0755-25621811
Product enquiry
Provide the cleaning object and conditions to assess J-2815H
Provide the cleaning object, soil, material, power/fuel, water, pressure-hose length and daily working time to assess this model.