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Backhoe Loader

Product

Overview

A backhoe loader is a wheeled machine combining a front Front Loader for loading, levelling and material handling with a rear Rear Backhoe for trenching and excavation. The single operator turns the seat to face whichever end is in use. Mounted on a rigid frame with four road wheels, the machine is road-legal at modest speeds and is the standard tool for utility work, small-site groundwork and municipal maintenance.

Power comes from a 4-cylinder Diesel Engine driving the wheels through a Powershuttle Transmission and a Front Steer Axle (4WD) and Rear Drive Axle. The same engine drives the Hydraulic System that actuate both work tools.

How it works

The engine turns a torque converter and powershuttle gearbox, giving forward and reverse under load without clutching. Drive is split to both axles; the front steer axle carries hydrostatic steering through an Orbitrol unit.

The hydraulic pump feeds two valve banks. The front loader uses lift and tilt cylinders on a parallel-lift frame; the loader bucket can be swapped via the quick coupler for forks or a grapple. The rear backhoe pivots on a king-post swing frame, with boom, dipper and bucket cylinders giving the digging envelope. An extendable dipper stick telescopes for added reach and depth. Two stabilizer legs plant the rear of the machine before digging, transferring load off the tyres so the chassis stays rigid under breakout force.

All digging functions share the double-acting Hydraulic Cylinder design: a barrel, rod, and seal set repeated across loader, backhoe and stabilizers. The operator works from a Cab / ROPS with ROPS protection and twin joysticks. A 12-volt Electrical System system handles starting, charging and the work-light array used for night operation.

Backhoe Loader parts and their functions

11 top-level parts · 278 parts in total · full bill of materials below
Backhoe Loader parts diagram: 1 diesel engine, 2 powershuttle transmission, 3 front steer axle (4WD), 4 rear drive axle, 5 wheel assembly, 6 hydraulic system, 7 front loader, 8 rear backhoe, 9 hydrostatic steering, 10 cab / ROPS, 11 electrical system. 278 parts in 11 top-level items.
Backhoe Loader parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Diesel Engine 9 parts 1× Turbocharged diesel
2 Powershuttle Transmission 6 parts 1× Powershuttle + torque converter
3 Front Steer Axle (4WD) 5 parts 1× Steer axle, 4WD
4 Rear Drive Axle 5 parts 1× Drive axle
5 Wheel Assembly 5 parts 4× 4 road wheels
6 Hydraulic System 5 parts 1× Central hydraulic system
7 Front Loader 4 parts 1× Front loader linkage
8 Rear Backhoe 6 parts 1× Rear digging assembly
9 Hydrostatic Steering 3 parts 1× Hydrostatic steering
10 Cab / ROPS 5 parts 1× Cab / ROPS structure
11 Electrical System 6 parts 1× Electrical system

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Bill of materials for Backhoe Loader

11 top-level lines · 120 rows shown · 278 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Diesel Engine 9 parts backhoe-loader-engine 1× 1 18 assembly
1.1 Engine Block backhoe-loader-block-casting 1× 1 · part
1.2 Piston backhoe-loader-piston 4× 4 · part
1.3 Crankshaft backhoe-loader-crankshaft 1× 1 · part
1.4 Cylinder Head backhoe-loader-cylinder-head 1× 1 · part
1.5 Turbocharger backhoe-loader-turbo 1× 1 · part
1.6 Fuel System 3 parts backhoe-loader-fuel-system 1× 1 6 assembly
1.6.1 Injection Pump backhoe-loader-injection-pump 1× 1 · part
1.6.2 Fuel Injector backhoe-loader-injector 4× 4 · part
1.6.3 Fuel Filter backhoe-loader-fuel-filter 1× 1 · part
1.7 Radiator radiator 1× 1 · part
1.8 Coolant Pump coolant-pump 1× 1 · part
1.9 Oil Seal oil-seal 2× 2 · part
2 Powershuttle Transmission 6 parts backhoe-loader-transmission 1× 1 23 assembly
2.1 Torque Converter backhoe-loader-torque-converter 1× 1 · part
2.2 Helical Gear Pair gear-pair 4× 4 · part
2.3 Shuttle Clutch Pack 2 parts backhoe-loader-shuttle-pack 1× 1 8 assembly
2.3.1 Clutch Friction Plate backhoe-loader-clutch-plate 6× 6 · part
2.3.2 O-Ring Set oring-set 2× 2 · part
2.4 Gearbox Housing gearbox-housing 1× 1 · part
2.5 Ball Bearing ball-bearing 6× 6 · part
2.6 Oil Seal oil-seal 3× 3 · part
3 Front Steer Axle (4WD) 5 parts backhoe-loader-front-axle 1× 1 15 assembly
3.1 Open Differential 4 parts differential 1× 1 6 assembly
3.1.1 Differential Case diff-case 1× 1 · part
3.1.2 Side Gear side-gear 2× 2 · part
3.1.3 Pinion Gear pinion-gear 2× 2 · part
3.1.4 Cross Pin cross-pin 1× 1 · part
3.2 Axle Housing backhoe-loader-axle-housing 1× 1 · part
3.3 Steering Knuckle backhoe-loader-steer-knuckle 2× 2 · part
3.4 Ball Bearing ball-bearing 4× 4 · part
3.5 Oil Seal oil-seal 2× 2 · part
4 Rear Drive Axle 5 parts backhoe-loader-rear-axle 1× 1 15 assembly
4.1 Open Differential 4 parts differential 1× 1 6 assembly
4.1.1 Differential Case diff-case 1× 1 · part
4.1.2 Side Gear side-gear 2× 2 · part
4.1.3 Pinion Gear pinion-gear 2× 2 · part
4.1.4 Cross Pin cross-pin 1× 1 · part
4.2 Axle Housing backhoe-loader-axle-housing 1× 1 · part
4.3 Helical Gear Pair gear-pair 2× 2 · part
4.4 Ball Bearing ball-bearing 4× 4 · part
4.5 Oil Seal oil-seal 2× 2 · part
5 Wheel Assembly 5 parts wheel-assembly 4× 4 9 assembly
5.1 Alloy Wheel alloy-wheel 1× 4 · part
5.2 Tire tire 1× 4 · part
5.3 TPMS Sensor tpms-sensor 1× 4 · part
5.4 Lug Nut lug-nut 5× 20 · part
5.5 Valve Stem valve-stem 1× 4 · part
6 Hydraulic System 5 parts backhoe-loader-hydraulics 1× 1 33 assembly
6.1 Hydraulic Pump 3 parts backhoe-loader-hyd-pump 1× 1 5 assembly
6.1.1 Helical Gear Pair gear-pair 1× 1 · part
6.1.2 Oil Seal oil-seal 2× 2 · part
6.1.3 Ball Bearing ball-bearing 2× 2 · part
6.2 Control Valve Bank 3 parts backhoe-loader-valve-bank 2× 2 12 assembly
6.2.1 Spool Valve backhoe-loader-spool-valve 6× 12 · part
6.2.2 Relief Valve backhoe-loader-relief-valve 2× 4 · part
6.2.3 O-Ring Set oring-set 4× 8 · part
6.3 Hydraulic Tank backhoe-loader-hyd-tank 1× 1 · part
6.4 Hydraulic Filter backhoe-loader-hyd-filter 2× 2 · part
6.5 Hydraulic Oil Cooler backhoe-loader-oil-cooler 1× 1 · part
7 Front Loader 4 parts backhoe-loader-front-loader 1× 1 26 assembly
7.1 Loader Frame & Arms backhoe-loader-loader-frame 1× 1 · part
7.2 Hydraulic Cylinder 4 parts backhoe-loader-cylinder 3× 3 6 assembly
7.2.1 Cylinder Barrel backhoe-loader-cyl-barrel 1× 3 · part
7.2.2 Cylinder Rod backhoe-loader-cyl-rod 1× 3 · part
7.2.3 O-Ring Set oring-set 2× 6 · part
7.2.4 Oil Seal oil-seal 2× 6 · part
7.3 Bucket 2 parts backhoe-loader-bucket 1× 1 6 assembly
7.3.1 Bucket Shell backhoe-loader-bucket-shell 1× 1 · part
7.3.2 Bucket Tooth backhoe-loader-bucket-tooth 5× 5 · part
7.4 Quick Coupler backhoe-loader-quick-coupler 1× 1 · part
8 Rear Backhoe 6 parts backhoe-loader-backhoe 1× 1 48 assembly
8.1 Swing Frame & King Post backhoe-loader-king-post 1× 1 · part
8.2 Backhoe Boom backhoe-loader-boom 1× 1 · part
8.3 Hydraulic Cylinder 4 parts backhoe-loader-cylinder 5× 5 6 assembly
8.3.1 Cylinder Barrel backhoe-loader-cyl-barrel 1× 5 · part
8.3.2 Cylinder Rod backhoe-loader-cyl-rod 1× 5 · part
8.3.3 O-Ring Set oring-set 2× 10 · part
8.3.4 Oil Seal oil-seal 2× 10 · part
8.4 Extendable Dipper Stick 3 parts backhoe-loader-dipper 1× 1 8 assembly
8.4.1 Inner Dipper Section backhoe-loader-dipper-inner 1× 1 · part
8.4.2 Outer Dipper Section backhoe-loader-dipper-outer 1× 1 · part
8.4.3 Hydraulic Cylinder 4 parts + deeper › backhoe-loader-cylinder 1× 1 6 assembly
8.5 Bucket 2 parts backhoe-loader-bucket 1× 1 6 assembly
8.5.1 Bucket Shell backhoe-loader-bucket-shell 1× 1 · part
8.5.2 Bucket Tooth backhoe-loader-bucket-tooth 5× 5 · part
8.6 Stabilizer Leg backhoe-loader-stabilizer-leg 2× 2 · part
9 Hydrostatic Steering 3 parts backhoe-loader-steering 1× 1 8 assembly
9.1 Steering Control Unit (Orbitrol) backhoe-loader-steering-unit 1× 1 · part
9.2 Hydraulic Cylinder 4 parts backhoe-loader-cylinder 1× 1 6 assembly
9.2.1 Cylinder Barrel backhoe-loader-cyl-barrel 1× 1 · part
9.2.2 Cylinder Rod backhoe-loader-cyl-rod 1× 1 · part
9.2.3 O-Ring Set oring-set 2× 2 · part
9.2.4 Oil Seal oil-seal 2× 2 · part
9.3 Steering Tie Rod backhoe-loader-tie-rod 1× 1 · part
10 Cab / ROPS 5 parts backhoe-loader-cab 1× 1 14 assembly
10.1 ROPS Frame backhoe-loader-rops-frame 1× 1 · part
10.2 Seat Assembly 5 parts seat-assembly 1× 1 7 assembly
10.2.1 Seat Frame seat-frame 1× 1 · part
10.2.2 Seat Foam seat-foam 2× 2 · part
10.2.3 Seat Cover seat-cover 1× 1 · part
10.2.4 Seat Motor seat-motor 2× 2 · part
10.2.5 Seat Heater Mat seat-heater 1× 1 · part
10.3 Joystick backhoe-loader-joystick 2× 2 · part
10.4 Instrument Cluster 3 parts backhoe-loader-cluster 1× 1 3 assembly
10.4.1 Bare PCB pcb-bare 1× 1 · part
10.4.2 Microcontroller mcu 1× 1 · part
10.4.3 LCD Panel lcd-panel 1× 1 · part
10.5 Heating Element heating-element 1× 1 · part
11 Electrical System 6 parts backhoe-loader-electrical 1× 1 42 assembly
11.1 12 V Battery lv-battery 1× 1 · part
11.2 Alternator 4 parts backhoe-loader-alternator 1× 1 25 assembly
11.2.1 Stator Assembly 3 parts + deeper › stator-assembly 1× 1 3 assembly
11.2.2 Rotor Assembly 4 parts + deeper › rotor-assembly 1× 1 19 assembly
11.2.3 Rectifier / Regulator backhoe-loader-rectifier 1× 1 · part
11.2.4 Ball Bearing ball-bearing 2× 2 · part
11.3 Wire Bundle wire-bundle 1× 1 · part
11.4 Fuse Box fuse-box 1× 1 · part
11.5 Relay relay 8× 8 · part
11.6 LED Work Light backhoe-loader-work-light 6× 6 · part

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Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $15k–$2M. How estimates work
VendorHQSpecialtyMOQLead time
🇺🇸Caterpillar
caterpillar.com ↗ 		Irving, US Construction & mining equipment made to order 16–28 wks
🇯🇵Komatsu
komatsu.com ↗ 		Tokyo, JP Construction & mining equipment made to order 16–28 wks
🇸🇪Volvo CE
volvoce.com ↗ 		Gothenburg, SE Construction equipment made to order 16–28 wks
🇨🇭Liebherr
liebherr.com ↗ 		Bulle, CH Cranes & heavy equipment made to order 16–28 wks
🇨🇳XCMG
xcmg.com ↗ 		Xuzhou, CN Construction machinery made to order 16–28 wks

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