214 & 224 WHEEL-TYPE EXCAVATORS Lower Carriage Technical Data Caterpillar


Lower Carriage Technical Data
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1.1. Gearbox (Transmission)
2.1. Hydraulic Motor For Transmission
3.1. Axles
4.1. Brakes
5.1. Swivel (Hydraulic)
6.1. Swivel (Pneumatic/Hydraulic) (Accessory)
7.1. Axle Stabilizer Cylinders
8.1. Axle Stabilizer Valve
9.1. Travel Speeds & Tires
10.1. Steering Pump
11.1. Orbitrol Valve Block (Steering System)
12.1. Steering Cylinder
13.1. Electrical System

Gearbox (Transmission)

Transmission Ratio:

Low Ratio: 1 : 1.12

High Ratio: 1 : 4.29

Direction of Rotation: Reversible

Make: ZF

Hydraulic Motor For Transmission

Type: Variable-flow axial piston

Type No.: 214 - BMR 105 TFPC

224 - BMR 140 TFPC

Delivery: 214 - 48/1053rev.

224 - 55/140 cm3rev.

Max. Speed: 214 - 2750 rpm

224 - 2740 rpm

Max. Operating Pressure: 214 - 31 to 300 bar (3100 to 30 000 kPa)

224 - 51 to 361 bar (5100 to 36 100 kPa) on variable-flow axial piston with brake valve axial piston with brake valve

Axles

Front (steering axle): 214 - APL-B 23

224 - APL-B 24

Rear (drive axle): 214 - AP-B 23

224 - AP-B 24

Total Reduction Ratio: 214 - 1 : 25.48

224 - 1 : 25.48

Swing of Front Axle: 8.5°

Axle Make: ZF

Brakes

Service Brake (traveling): Hydraulic drum brake, with compressed air servo system on all 4 wheels

Continuous Locking (excavator service):

Hand lever operation of service brake

Parking Brake: Spring brake with compressed air release system, designed as drum-type transmission brake

Swivel (Hydraulic)

Type: 7-way

Connection 0: Leakage

Connection 1: Travel reverse

Connection 2: Raise stabilizers

Connection 3: Travel forward

Connection 4: Lower stabilizers

Connection 5: Steering cyl. in = right turn

Connection 6: Steering cyl. out = left turn

Swivel (Pneumatic/Hydraulic) (Accessory)

Type: 3 + 2 way

Connection 1: Parking brake (pressure = release)

Connection 2: Swing axle valve (venting = block)

Connection 3: Service brake (pressure = brake)

Connection 4: Venting

Connection 5: High ratio (connection 4 in undercarriage)

Connection 6: Low ratio (connection 5 in undercarriage)

Axle Stabilizer Cylinders

Type: Plunger

Piston Dia.: 214 - 85 mm 224 - 100 mm

Stroke: 214 - 160 mm 224 - 155 mm

Axle Stabilizer Valve

Type: Pneumatic/hydraulic

Front Axle Swinging: Valve pressurized

Front Axle Locked: Valve vented

Travel Speeds & Tires

Forward and reverse

Tires

214 High Ratio:

10.00-20 0-4.73 km/h

18-19.5 XF 0-4.78 km/h

214 Low Ratio:

10.00-20 0-18.12 km/h

18-19.5 XF 0-18.30 km/h

224 High Ratio:

10.00-20 0-4.76 km/h

18-19.5 XS 0-4.81 km/h

224 Low Ratio:

10.00-20 0-18.25 km/h

18-19.5 XS 0-18.43 km/h

214 Tire Pressure Front And Rear:

10.00-20 PR 12 8-ply 6.5 bar (650 kPa)

11.00-20 PR 12 8-ply 6.5 bar (650 kPa)

18-19.5 XF PR 16 4-ply 6.5 bar (650 kPa)

224 Tire Pressure Front And Rear:

10.00-20 PR 12 8-ply 6.5 bar (650 kPa)

11.00-20 PR 12 8-ply 6.5 bar (650 kPa)

18-19.5 XF PR 16 4-ply 6.5 bar (650 kPa)

Max: Traction And Climbing Ability (214)

Variable flow axial piston pump BMR 105 TFPC

Tires: 10.00-20 18-19.5 XF

Traction: 8383 kg 8294 kg

Climbing Ability: 62% 61%

Max: Traction And Climbing Ability (224)

Variable flow axial piston pump BMR 140 TFPC

Tires: 10.00-20 18-19.5 XS

Traction: 11277 kg 11158 kg

Climbing Ability: 71% 70%

Steering Pump

Type: Vane pump, clockwise

Delivery Rate: max. 16 l/min (volume control)

Max. Oper. Pressure: 135 bar (13 500 kPa)

Orbitrol Valve Block (Steering System)

Main Relief Valve: 90 bar (9000 kPa)

Line Relief Valve: 150 bar (15 000 kPa)

Steering Cylinder

Number: 2

Piston Dia.: 60 mm

Piston Rod Dia.: 28 mm

Stroke: 200 mm (effective 196 mm)

Electrical System

Operating Voltage: 24 Volts

Batteries: 2 x 12 V, 110 Ah (min.)

Alternator: 3-phase, 28 V, 27 Amps, Bosch

Regulator (Integral): Bosch

Starter: 214 - 24 V, 4 kW (5.45 HP), Bosch

224 - 24 V, 4,8 kW (6.53 HP) Bosch

Headlights: 24 V, 55/50 Watt

Parking Lights: 24V, 4 Watt

Rear Lights: 24 V, 10 Watt

Brake Lights and Blinkers: 24 V, 21 Watt

Front Blinkers: 24 V, 21 Watt

Working Beams: 24 V, 35 Watt

Fault Lights: 24 V, 2 Watt

Interior Light: 24, 10 Watt

Hazard Fault Switch: 24 V, 1.2 Watt

Heater: 24 V, 1.2 Watt

Fuel Gauge Light: 24 V, 4 Watt

Air Pressure Gauge: 24 V, 3 Watt