Yuejia LingdongChina

YJ30W MAX

In production
Over 40 kg
Industry
Inspection
Security and surveillance
Research and development
Defence and emergency response

Key figures as stated by the manufacturer

6 of 6 stated Imperial unitsMetric units

Weight 55kg121lbOur conversion from 55 kg. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.A
Payload, walking 35kg77.2lbOur conversion from 35 kg. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.A
Runtime 210–270minWarning: load condition not statedA
Max speed 18km/h11.2mphOur conversion from 18 km/h. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.A
IP rating IP67A
Indicative price 53,276USD358,000CNYA

Deviations and variants in the key figures (5)

Weight

NoteIn the 'basic parameters' table.

Payload, walking

NoteDynamic/walking load - an explicitly named field.

Runtime

CaveatNo load condition (kg) disclosed.

Max speed

NoteSpeed - higher than the YJ30Max's 3m/s, as expected for a wheeled variant.

Indicative price

NoteNext to a 'buy now' button - the highest Yuejia price in the catalogue.

Manufacturer's own photo.

Intended use, per the manufacturer

The manufacturer’s words

AI。。

Industry and security inspection

Police patrol

Source: yuejialingdong.com · Retrieved 2026-08-25

Identical product description to the YJ30 W (same paragraph, same pattern - this is the large version). Our own translation: see the YJ30 W’s note for the full rationale. Warehousing is, for the same reason, NOT counted as a separate logistics category.

This category is not our assessment.

Every field in the schema

14 of 33 fields stated Imperial unitsMetric units

Imperial figures are our own conversion unless the manufacturer states an imperial figure itself. The source letter always belongs to the metric figure — a conversion has no source of its own.

The letter points to the source at the foot of the page. Fields without a figure are dashed: the manufacturer does not state them — that is not the same as zero, and not the same as no.
Field	Value	Source and caveats
Physical
Weight	55kg121lbOur conversion from 55 kg. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.	A NoteIn the 'basic parameters' table.
Length	89.6cm35.3inOur conversion from 89.6 cm. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.	A NoteStanding dimensions.
Width	63.5cm25inOur conversion from 63.5 cm. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.	A
Height	62.5cm24.6inOur conversion from 62.5 cm. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.	A
Degrees of freedom	not stated
Payload, walking	35kg77.2lbOur conversion from 35 kg. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.	A NoteDynamic/walking load - an explicitly named field.
Payload, standing	55kg121lbOur conversion from 55 kg. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.	A NoteStatic/standing load - an explicitly named field.
Max speed	18km/h11.2mphOur conversion from 18 km/h. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.	A NoteSpeed - higher than the YJ30Max's 3m/s, as expected for a wheeled variant.
Max slope	50°	A NoteClimb angle - its own column, without the DOF merge.
Single obstacle	not stated
Stair step, continuous	80cm31.5inOur conversion from 80 cm. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.	A CaveatSee the top note on the column name shared with the base YJ30Max version (30cm).
IP rating	IP67	A
Operating temperature, low	not stated
Operating temperature, high	not stated
Power
Battery	not stated
Runtime	210–270minWarning: load condition not stated	A CaveatNo load condition (kg) disclosed.
Hot-swap battery	not stated
Charge time	not stated
Docking station	not stated
Sensing and autonomy
LiDAR	not stated
Cameras	Infrared heat detection; high-sensitivity UV light recognition; visible-light smoke/fire recognition (triple detection technology: infrared thermal imaging + UV detection + visible-light smoke/fire recognition)	A NoteIntegrated triple detection technology: infrared thermal imaging, high-sensitivity UV light recognition, visible-light smoke/fire recognition - identical text to the YJ30 W's entry. No model designation or resolution disclosed.
Onboard compute	not stated
ROS 2	not stated
SDK languages	not stated
Autonomy level	WIFI (yes); 4G&5G (yes); Image transmission (yes); Voice (yes); Navigation (yes); WiFi6 and Bluetooth 5.2 compatible; real-time full-screen temperature measurement and zone monitoring	A NoteCombines the table's five yes/no rows (same pattern as the YJ30Max, no 'follow' item) with the product description's extra communication and data-analysis features.
Payload and expansion
Mounting interface	not stated
Power out	not stated
Data ports	not stated
Commercial
Indicative price	53,276USD358,000CNYA	NoteNext to a 'buy now' button - the highest Yuejia price in the catalogue. Price shown in USD, converted using the European Central Bank reference rate for 31/08/2026. Rate: Den Europæiske Centralbank, Euro foreign exchange reference rates, 31/08/2026.
EU
CE stated	not stated	Records only what the manufacturer states regarding CE marking.
FCC stated	not stated
UL stated	not stated
CCC stated	not stated

Stair step and payload each exist in two variants. Only compare fields with the same label.

The manufacturer’s own page

The manufacturer’s original product page for this model.

Open the manufacturer’s page for YJ30W MAX

https://yuejialingdong.com/index.php/yuejiasizuxilie/58.html

See every model from Yuejia Lingdong

Sources

A Manufacturer product page. yuejialingdong.com/index.php/yuejiasizuxilie/58.html · Retrieved 2026-08-25

One line per source, not per figure: a source has one retrieval date. The letter beside a figure points to the line it came from.