Reference new model
YUYAN / Backhoe loader
NEW MACHINERY / BACKHOE LOADER
YUYAN 377 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
5 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 |
| Maximum tractive forceMaximum tractive force | 76 kN |
02
Front loading equipment
6 technical fields| Bucket capacityLoader bucket capacity | 1.0 m³ |
|---|---|
| Bucket breakout forceBucket breakout force | 47 kN |
| Lifting capacityLifting capacity | 2501 kg |
| Unload heightDumping height | 2807 mm |
| Unload distanceDumping reach | 908 mm |
| Excavation depth from loading edgeFront-end digging depth | 56 mm |
03
Rear excavation equipment
3 technical fields| Excavation bucket capacityBackhoe bucket capacity | 0.3 m³ |
|---|---|
| Maximum digging depthMaximum digging depth | 3967 mm |
| Excavation boom swing angleBackhoe boom swing angle | 180° |
04
Engine
11 technical fields| ModelModel | Cummins 4BTA3.9–C110–II |
|---|---|
| TypeType | Inline 4-cylinder four-stroke diesel engine |
| DisplacementDisplacement | 3.9 L |
| Rated powerRated power | 82 kW / 110 HP |
| Rated speedRated speed | 2200 rpm |
| Maximum torqueMaximum torque | Approximately 460 N·m |
| Speed at maximum torqueSpeed at maximum torque | Approximately 1500 rpm |
| Bore × strokeBore × stroke | 102 × 120 mm |
| Intake systemAspiration | Turbocharged with intercooler |
| Cooling systemCooling method | Liquid cooling |
| Fuel systemFuel system | Mechanical injection pump |
05
Steering system
4 technical fields| Steering distributor modelSteering unit model | BZZ–250 |
|---|---|
| Steering angleSteering angle | ±39° |
| Minimum turning radiusMinimum turning radius | 6581 mm |
| System pressureSystem pressure | 14 MPa |
06
Transmission system
3 technical fields| Transmission systemDrivetrain | Fixed-shaft speed clutch |
|---|---|
| Axle rated loadRated axle load | Front axle 22.5 t / Rear axle 18.5 t |
| Hydraulic torque converterTorque converter | Single-stage torque converter |
07
Hydraulic torque converter
6 technical fields| ModelModel | YJ290 |
|---|---|
| TypeType | Manual, 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 |
08
Transmission
3 technical fields| Clutch pressureClutch 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 |
09
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 |
10
Brake system
6 technical fields| Brake typeBrake type | Air-over-oil disc brake |
|---|---|
| TypeType | External mounting |
| Adjustment methodAdjustment | Automatic adjustment |
| Balancing typeBalancing | Automatic balancing |
| Service brakeService brake | Power-assisted brake |
| Parking/emergency brakeParking/emergency brake | Manual brake release |
11
Hydraulic system
5 technical fields| Dipper-arm digging forceArm digging force | 50 kN |
|---|---|
| Arm digging forceBoom digging force | 31 kN |
| Bucket lift timeBucket raising time | 6.8 s |
| Bucket lowering timeBucket lowering time | 3.1 s |
| Bucket discharge timeBucket dumping time | 2.0 s |
12
Optional configuration plans (quoted by configuration)
1 technical field| Domestic mechanical transmission · Fixed-displacement hydraulics · Pilot controlChinese mechanical transmission · fixed-displacement hydraulics · pilot controls | Domestic mechanical transmission; domestic drive axle (Jinlite rear axle); fixed‑displacement hydraulic system (Shengrun pump, Haorun valve, Hyundai cylinder); pilot control; Zhenjiang steering; Rongshida cab |
|---|
13
Optional items
4 technical fields| Optional engineOptional engines | Weichai National II 82 kW; Cummins National II; Cummins National II (with integrated preheater); external preheater |
|---|---|
| Transmission and hydraulic systemsDrivetrain and hydraulics | Qiaoan rear axle; triple hydraulic valve; circuit for hydraulic breaker |
| Cab and operator aidsOperator comfort and aids | Diesel heater; 360° panoramic image; air conditioning; GPS; Huacheng side instrumentation |
| Working equipment and accessoriesWork equipment and attachments | Side‑shift system; new 4.5 m excavator boom; loading quick coupler (hydraulic or mechanical); 4‑in‑1 bucket; 6‑in‑1 bucket |
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 377 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 engine.
- Equipped with mechanical transmission.
- Equipped with Jinlite rear axle.
- Equipped with fixed‑displacement hydraulic system.
- Equipped with Shengrun pump.
- Equipped with Haorun valve.
- Equipped with Hyundai hydraulic cylinder.
- Pilot-operated control system.
- Equipped with Zhenjiang steering system.
- Equipped with Rongshida cabin.
- Equipped with Chaoxing instrument panel.
- Equipped with Miyuan wiring harness.
- Standard boom included.
- Equipped with standard bucket.
- Equipped with triple multi-way valve.
- Equipped with 360° panoramic camera.
- Equipped with air conditioning.
Parameters on this page come from YUYAN 2026 product literature; images show prototype illustrations and color or some configurations may vary. Options such as the engine will be confirmed by the configuration list 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.
