Reference new model
YUYAN / Backhoe loader
NEW MACHINERY / BACKHOE LOADER
YUYAN 388 Backhoe Loader
YUYAN brand new machinery · Manufactured in Hefei by YUYAN
Designed for combined excavation and loading: first review the equipment photos and spec sheet; then request a quotation specifying configuration, quantity and destination port.
Representative model · Supplied on request Photos and specifications are for model comparison only; confirm the specific unit, configuration and availability when you request a quotation.
YUYANProduct sheet
PHOTOS & SPECS
PHOTOS & SPECS
Click thumbnails to change the photo · Click the main image to view full size
01 / TECHNICAL SPECIFICATIONS
Complete specifications,
listed item by item.
The following preserves the fields, values and units as shown in the technical data; no estimates are made. Different configurations, optional equipment and production batches may vary; the specific purchase is governed by the nameplate, configuration list and the contract’s technical annexes.
Inquire matching configuration ↗01
Basic parameters
13 technical fields| Operating weightTotal operating weight | 8200 kg |
|---|---|
| Transport dimensions (L × W × H)Transport dimensions (L × W × H) | 6050 × 2465 × 3813 mm |
| WheelbaseWheelbase | 2280 mm |
| Minimum ground clearanceMinimum ground clearance | 300 mm |
| Bucket capacityLoader bucket capacity | 1.0 m³ |
| Bucket breakout forceBucket breakout force | 47 kN |
| Lifting capacityLifting capacity | 2500 kg |
| Loader bucket discharge heightLoader bucket dump height | 2807 mm |
| Bucket discharge reachBucket dumping reach | 908 mm |
| Excavation depth from loading edgeFront-end digging depth | 56 mm |
| Excavation bucket capacityBackhoe bucket capacity | 0.3 m³ |
| Bucket rotation angleBucket rotation angle | 180° |
| Maximum tractive forceMaximum tractive force | 76 kN |
02
Rear backhoe attachment
8 technical fields| Maximum digging reachMaximum digging reach | 6581 mm |
|---|---|
| Maximum digging heightMaximum digging height | 3661 mm |
| Maximum digging depthMaximum digging depth | 4489 mm |
| Maximum bucket digging forceMaximum bucket digging force | 50 kN |
| Maximum stick digging forceMaximum arm digging force | 31 kN |
| Digging cycle timeDigging cycle time | 6.8 s |
| Boom lowering timeBoom lowering time | 3.1 s |
| Bucket discharge timeBucket dumping time | 2.0 s |
03
Tires
3 technical fields| ModelModel | 14–17.5/19.5L–24 |
|---|---|
| Front tire inflation pressureFront tire pressure | 0.4 MPa |
| Rear tire pressureRear tire pressure | 0.35 MPa |
04
Standard engine
9 technical fields| ModelModel | Cummins 4BTA3.9-C110-II diesel engine |
|---|---|
| Rated powerRated power | 82 kW / 110 HP, rated speed 2200 rpm |
| DisplacementDisplacement | 3.9 L |
| Cylinder arrangementCylinder configuration | Inline 4 cylinders |
| Bore × strokeBore × stroke | 102 × 120 mm |
| Intake systemAspiration | Turbocharged with intercooler |
| Cooling systemCooling system | Liquid cooling |
| Emission standardEmission standard | Stage II |
| Maximum torqueMaximum torque | Approx. 460 N·m at 1500 rpm |
05
Steering system
5 technical fields| Steering system typeSteering system type | Hydraulic |
|---|---|
| Steering distributor modelSteering unit model | BZZ–250 |
| Steering angleSteering angle | ±39° |
| Minimum turning radiusMinimum turning radius | 6581 mm |
| System pressureSystem pressure | 14 MPa |
06
Brake system
5 technical fields| Service brakeService brake | Pneumatic wet disc brake |
|---|---|
| TypeType | External mounting |
| Adjustment systemAdjustment | Automatic adjustment and automatic balancing |
| Parking brakeParking brake | Manual wet disc brake |
| Emergency brakeEmergency brake | Manual wet disc brake |
07
Torque converter and transmission
12 technical fields| Axle rated load capacityRated axle capacity | Front axle 22.5t / Rear axle 18.5t |
|---|---|
| Transmission systemDrivetrain | Hydraulic torque converter |
| ModelModel | YJ290 |
| TypeType | Single-stage, three-element |
| Maximum efficiencyMaximum efficiency | 84.4% |
| Inlet pressureInlet pressure | 0.5 MPa–0.65 MPa |
| Outlet pressureOutlet pressure | 0.15 MPa–0.3 MPa |
| Cooling systemCooling method | Pressure oil circulation cooling |
| Transmission typeTransmission type | Fixed-shaft power-shift transmission |
| Clutch oil pressureClutch oil pressure | 2.0 MPa–2.3 MPa |
| Number of gearsNumber of gears | 4 forward gears, 4 reverse gears |
| Maximum travel speedMaximum travel speed | 39 km/h |
08
Axles and drivetrain
6 technical fields| Axle manufacturerAxle manufacturer | Feicheng Axle Factory |
|---|---|
| Main drive typeMain drive type | Two-stage reduction |
| Axle typeAxle type | Single-stage main reduction, planetary wheel hub reduction |
| Wheel hub reduction typeFinal drive type | Single-stage wheel-hub reduction |
| End-face spacingEnd-to-end distance | 2200 mm |
| Axle oscillation angleAxle oscillation angle | ±11° |
09
Optional configuration plans (quoted by configuration)
2 technical fields| Domestic electronic transmission · Variable-flow hydraulics · Pilot controlChinese electronic transmission · variable hydraulics · pilot controls | Domestic electronic transmission + domestic drive axles; variable-flow hydraulic system (Hengli pump, Haorun / Huasheng valves, Jinli cylinders); pilot control, Danfoss / Zhenjiang steering, bucket float (Haorun pilot valve); new Rongshida cab; front counterweight |
|---|---|
| Domestic mechanical transmission · Fixed-displacement hydraulics · Pilot controlChinese mechanical transmission · fixed-displacement hydraulics · pilot controls | Domestic mechanical transmission + domestic drive axles; fixed-displacement hydraulic system (Chuankong / Quancheng pumps, Haorun / Huasheng valves, Jinli cylinders); pilot control, Danfoss / Zhenjiang steering, bucket float (Haorun pilot valve); new Rongshida cab with heating and air conditioning; front counterweight |
10
Optional items
6 technical fields| Optional engineOptional engines | Weichai National III 74 kW; Weichai Stage V 74 kW; Cummins National II 82 kW; Cummins 86 kW National II (AA); Cummins National II (with integrated preheater); Cummins National III 74 kW or 81 kW; pneumatic lock and air compressor; external preheater |
|---|---|
| Transmission and hydraulic systemsDrivetrain and hydraulics | Danfoss or Rexroth stabilizer system; bucket float (Haihong pilot valve); standard configuration with upgrade option to semi-electronic transmission, pump 80 + load-sensing valve |
| Cab and operator aidsOperator comfort and aids | GPS; diesel heater; 360° panoramic camera; air conditioning |
| Working equipment and accessoriesWork equipment and attachments | H-type outriggers; telescopic arm; quick coupler for loading (hydraulic or mechanical); 4-in-1 bucket; 6-in-1 bucket |
| Body and tiresExterior and tires | Injection-molded hood (standard configuration); large tires 16.9-28 / 12.5/80-18 |
| Brake system compatibilityBrake system matching | Engines without an air compressor (Perkins and Weichai meet China III / Stage V, etc.) require matching to the corresponding brake system; confirm this when requesting a quotation. |
02 / PRODUCT DETAILS
Product features,
clear and concise.
From operating use to key components, learn about the equipment with images and parameters.
Request a quote for this model ↗
YUYAN / Model overview
YUYAN 388 Backhoe Loader
Model selection for a backhoe loader can begin by comparing site photos, power and operating parameters. This page describes the model’s features; for actual purchase verify the target configuration, factory documentation and delivery requirements.
Operating weight8200 kg
Bucket capacity1.0 m³
Function description and detailed images Equipment features / PRODUCT DETAILS
Product features
- Equipped with Cummins 4BTA3.9-C110-II diesel engine.
- Equipped with 360° panoramic camera system.
- Equipped with cold/heat air conditioning.
- Domestically manufactured mechanical transmission.
- Domestically manufactured drive axle.
- Fixed-flow hydraulic system with Chuankong / Quancheng pump, Haorun / Huasheng valve and Jinli cylinder.
- Pilot-operated control system.
- Danfoss / Zhenjiang steering system.
- Haorun pilot valve for bucket float function.
- Equipped with Rongshida-model cab.
- Equipped with Huacheng instrumentation.
- Electrical system with Gengyue wiring harness.
- Standard boom included.
- Standard bucket with new pivot point.
- Equipped with front counterweight.
- Scalable options: 80 pump + load-sensing valve system, 86 kW Cummins Stage II engine (AA), stabilizer system, GPS, bucket float, 4-in-1 bucket, 6-in-1 bucket, telescopic boom.
Page parameters updated to YUYAN 2026 product catalogue; engine, hydraulic and transmission options will be confirmed in the final spec sheet and written quotation.
03 / MATCH & VERIFY
When matching a new machine,
check these points.
After you enquire about a specific machine, verify the documents and delivery conditions in the following order.
- 01
Confirm the target configuration and applicable requirements
Check the intended use, tonnage/load capacity, attachments and destination-country requirements; the model spec sheet does not replace a specific configuration list.
- 02
Verify available condition and factory documents
Request photos, the nameplate or factory documents for the specific machine/batch, and information on actual supply and delivery times.
- 03
Written quotation and delivery point
Specify currency, validity, trade terms, named place and costs included.
