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Yuejia Lingdong

YJ30W MAX

A quadruped robot from China.

Sources retrieved: 25 August 2026 (A)

Status
In production
Applications
IndustryInspectionSecurity and surveillanceResearch and developmentDefence and emergency response
Intended use, per the manufacturer
AI。。 Industry and security inspection Police patrolThe same product description as for the YJ30 W (same paragraph; this is the large version). Warehousing appears only as a possible deployment environment.
Indicative price
53,276USD

Next to a 'buy now' button; the highest Yuejia price.

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50100150200 cm4060 in62.524.6
Yuejia Lingdong YJ30W MAX, wheeled-leg quadruped robot, studio photo on a white background
  1. Person
    175 cm68.9 in
  2. 89.6 cm35.3 inHeight
    62.5 cm24.6 in

Manufacturer's own photo.

Drawn at one scale next to a 175 cm person, from the figures the maker states: height 62.5 cm and length 89.6 cm.Drawn at one scale next to a 68.9 in person, from the figures the maker states, converted to inches: height 24.6 in and length 35.3 in.

Specifications

14/33 specifications disclosed 19 not stated

Not statedThe manufacturer states nothing about this field.NoStated: the robot does not have this.A marker with an asterisk (*) also carries a caveat.

Select a source marker for source details and notes.

Physical10/14 disclosed

Weight55kg121lbOur conversion from 55 kg. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.
Length89.6cm35.3inOur conversion from 896 mm. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.
Width63.5cm25inOur conversion from 635 mm. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.
Height62.5cm24.6inOur conversion from 625 mm. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.
Degrees of freedomNot stated
Payload, walking35kg77.2lbOur conversion from 35 kg. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.
Payload, standing55kg121lbOur conversion from 55 kg. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.
Max speed18km/h11.2mphOur conversion from 5 m/s. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.
Max slope50°
Max obstacle heightNot stated
Max stair height, continuous80cm31.5inOur conversion from 80 cm. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.
IP ratingIP67
Operating temperature, lowNot stated
Operating temperature, highNot stated

Power1/5 disclosed

BatteryNot stated
Runtime210–270minNote: load condition not stated
Hot-swap batteryNot stated
Charge timeNot stated
Docking stationNot stated

Sensing and autonomy2/6 disclosed

LiDARNot stated
CamerasInfrared 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)
Onboard computeNot stated
ROS 2Not stated
SDK languagesNot stated
Autonomy featuresWIFI (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

Payload and expansion0/3 disclosed

Mounting interfaceNot stated
Power outNot stated
Data portsNot stated

Commercial1/1 disclosed

Indicative price53,276USD358,000CNY

Compliance & certifications0/4 disclosed

CENot stated
FCCNot stated
ULNot stated
CCCNot stated

Against the field

Each strip holds every robot of this type in the guide that states the figure, one bar per group of values. Further right means a larger figure, not a better robot.

Height

62.5cm24.6inOur conversion from 625 mm. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

89 quadrupeds state a height

YJ30W MAX

23 state a higher figure, 62 a lower one. 1 more states exactly the same figure.

Weight

55kg121lbOur conversion from 55 kg. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

124 quadrupeds state a weight

YJ30W MAX

30 state a higher figure, 91 a lower one. Log scale: each step along the axis multiplies the value.

Runtime

210–270minNote: load condition not stated

104 quadrupeds state a runtime

YJ30W MAX

YJ30W MAX states a range, not one figure, so it is shown as a band and not ranked against the others.

Indicative price

53,276USD

16 quadrupeds state a public price

YJ30W MAX

3 state a higher figure, 11 a lower one. Log scale: each step along the axis multiplies the value.

Max speed

18km/h11.2mphOur conversion from 5 m/s. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

113 quadrupeds state a top speed

YJ30W MAX

15 state a higher figure, 80 a lower one. 6 more state exactly the same figure.

Sources

One line per source, not per figure: a source has one retrieval date.

  1. Ayuejialingdong.com/index.php/yuejiasizuxilie/58.htmlMain source. Retrieved 25 August 2026
  2. Becb.europa.eu/stats/eurofxref/eurofxref-daily.xmlRate: European Central Bank, Euro foreign exchange reference rates, 2026-08-31.. Retrieved 1 September 2026

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