01 Intended use
For outdoor dispersed cleaning points, no power lines are required for operation, making it convenient to arrange rinsing around different locations; water and fuel need to be prepared simultaneously.
Jinjie high-pressure washer
Jinjie J-2815C Outdoor Petrol High-Pressure Washer
This machine is more suitable for outdoor areas and dispersed cleaning points in properties without fixed power supply. It is gasoline-powered and does not require an external power source for operation, making it convenient for outdoor field changes; it still requires a stable water supply.
Established in 2004 | Site-trial discussion | Service support across China
02 Key performance figures
28 MPa pressure, 15 L/min flow; concentrated scrubbing of outdoor adhered dirt.
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-2815C and its applications
View the model's appearance and operation; discuss configuration against actual site conditions.
J-2815C Selection Consultation
Provide cleaning tasks, site conditions and frequency to confirm suitable configuration.
Enquire about this modelStart with your cleaning requirements
J-2815C, start with on-site tasks first.
Select a similar task, then check the material, dirt, power, and water supply conditions together.
01
Property commercial perimeter
First check personnel passage, then verify the equipment configuration.
View selection criteria →02Outdoor equipment exterior
First check the no-water areas, then verify the equipment configuration
View selection criteria →03Area around the loading and unloading zone
First check the hose route and wastewater discharge, then verify the equipment configuration.
View selection criteria →04Disperse cleaning points.
First check the fuel source, water supply, and transfer, then verify the equipment configuration.
View selection criteria →Typical applications
Which outdoor petrol-powered washing applications suit J-2815C?
Property / commercial-plaza stone paving
View this application →Mobile washing of outdoor stone paving
For multi-point property-exterior, plaza and hard-surface washing; confirm ventilation, supply, fuel and wastewater handling first.
View solution →
Warehousing / logistics loading bays
Warehouse loading-bay and vehicle-area washing
For mud around loading bays, unloading areas and vehicles; confirm working distance and drainage.
View solution →
Estates / low stone walls
Estate boundary-wall and low-wall washing
For outdoor low stone walls and boundary edges. Do not assume suitability for enclosed/poorly ventilated conditions.
View solution →Cleaning challenges
What do you want to tackle first with pressure washing?
Construction, estate and vehicle-washing points are dispersed and may not conveniently accommodate power cables.
Equipment must move between work points.
Do not assume suitability if ventilation, safety or fuel conditions are inadequate.
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 Property Commercial Perimeter
Focus on checking personnel passage.
02 Outdoor Equipment Appearance
Check the no-water areas.
03 Perimeter of loading area
Check the hose route and drainage.
04 Dispersed Cleaning Points
Focus on checking the fuel and water sources and the transfer process.
| Field or task | Configuration that requires attention | J-2815C Selection Judgment |
|---|---|---|
| Property commercial perimeter | Staff access; 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. |
| Outdoor equipment exterior | Prohibited water area; pressure, flow rate, and working attachment match. | Test the cleaning with materials, dirt, and site conditions, and do not rely on the maximum pressure promise for cleaning effectiveness. |
| Area around the loading and unloading zone | Hose route and wastewater discharge; pressure, flow, 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. |
| Disperse cleaning points. | Fuel source and water source; pressure, flow rate, and matching with the working attachment. | 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
Cleaning pressure280bar（28MPa）
Assessment focusAssess coverage, residue transport and water/drainage fit.
NoteClarify the on-site tasks and usage conditions, and we will compare the suitable configuration together.
EngineHonda GX390 / 13 HP
Power / pumpPetrol power; Italian AR industrial ceramic precision-plunger pump
Full specifications for View
| Key operating figures | |||
|---|---|---|---|
| Cleaning pressure | 280bar（28MPa） | Assessment focus | Assess coverage, residue transport and water/drainage fit. |
| Note | Clarify the on-site tasks and usage conditions, and we will compare the suitable configuration together. | Flow | 15L/min |
| Drive and electrical system | |||
| Engine | Honda GX390 / 13 HP | Power / pump | Petrol power; Italian AR industrial ceramic precision-plunger pump |
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
Key checks
Ventilation, fuel, supply, materials, distance and transfer frequency.
Suitable / unsuitable for boundary
When does J-2815C fit, and when should another approach be considered?
Candidate applications
- Outdoors without fixed power
- Mobile washing at multiple locations
- Vehicle and equipment surfaces
- Adequately ventilated sites; assess exhaust accumulation
Assess a different solution
- Enclosed or inadequately ventilated
- Noise-sensitive or exhaust-prohibited sites
- Fixed 380 V power is convenient
- Hazardous areas requiring explosion protection
Comparison of similar models
How to choose between J-2815C 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-2515D → |  J-2815C →Current Model |  J-2815H → |
|---|---|---|---|
| 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. |
The left side is the fixed power reference, and the right side is the gasoline same pressure direction reference. Specific differences need to be confirmed by referring to the manual of this machine. For specific configurations and operating conditions, the selection should be confirmed by referring to the manuals of all models together.
Look at the picture to understand the equipment.
Overall appearance and configuration of J-2815C
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-2815C 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
Pump, drive, inlet and outlet connections
Through the overall view, understand the J-2815C gasoline engine, long gun, high-pressure hose, and water inlet connection, which will facilitate communication of the configuration with your task.
Pump / drive / long lance
Check petrol power, pump head, gauge and long lance
Review the engine, pump head, gauge and long-lance arrangement; confirm actual configuration against current sales information.
Inlet / outlet / hoses
Check water connection and lance pressure hose
Before purchase, check inlet/outlet, hose length, supply conditions and site drainage.
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.
Accessory configuration
Standard and optional accessories for J-2815C
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-2815C
Make judgment based on the tasks, configuration, and usage conditions of this model.
Is 28 MPa the maximum or working pressure?
The pressure indication of 28 MPa should clearly specify whether it is the working value or the maximum value. Before arranging continuous tasks, we will further confirm with you the allowable operating conditions of this machine.
How to confirm the GX390/13HP configuration before purchase?
This configuration also needs to be confirmed with the actual machine's nameplate and delivery version. When selecting, check each item's engine model and rated conditions individually, and do not rely solely on appearance.
Can gasoline equipment be used in a semi-enclosed garage?
Do not use gasoline internal combustion engines in indoor or semi-enclosed spaces, and do not consider them applicable if opening doors or windows is not feasible. Even outdoors, verify the exhaust, fire source, and fuel requirements.
Is the only difference between J-2815H just the name?
You cannot make this determination. The pressure, engine, pump, and frame versions of the two models must be independently verified; they should not be inferred from appearance or suffixes.
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-2815C 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-2815C 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.
Product enquiry
Tell us the object and site conditions to assess J-2815C suitability
Provide the cleaning object, soil, material, power/fuel, water, pressure-hose length and daily working time to assess this model.