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AllTitanParts

(713) 931-0006

PowrLiner 4900 Hydraulic System Assembly (P/N 779-027) Parts

PowrLiner 4900 Hydraulic System Assembly (P/N 779-027) Parts
Titan 313-755 Pressure Control Knob Deca or Decal
Titan 313-755 Pressure Control Knob Deca or Decal

Item No: 1

Part #: 313-755

Part 313-755 is a replacement pressure control knob decal for a wide range of compatible spray e...

$4.50
QTY:
Titan 862-414 Set Screw
Titan 862-414 Set Screw

Item No: 2

Part #: 862-414

  PowrLiner / PowrTex / PowrTwin part 862-414 is a set screw designed to secure componen...

$2.00
QTY:
Titan 448-243 Pressure Control Knob
Titan 448-243 Pressure Control Knob

Item No: 3

Part #: 448-243

Part 448-243 is a replacement pressure control knob used on compatible PowrTwin, PowrTex, PowrLi...

Retail Price: $96.40
You save: $8 (8.30%)
Our Price: $88.40
QTY:
Titan 860-520 Set Screw
Titan 860-520 Set Screw

Item No: 4

Part #: 860-520

  Genuine replacement part 860-520 is a set screw used to secure components such as pull...

$2.00
QTY:
Titan 448-250 Pulley/Fan Assembly
Titan 448-250 Pulley/Fan Assembly

Item No: 5

Part #: 448-250

Titan 448-250 Pulley/Fan Assembly or Fan/Pulley *Replaced Part # 448-228* This assembly ensures eff...

Retail Price: $288.60
You save: $40.12 (13.90%)
Our Price: $248.48
QTY:
Titan 449-751 Hydraulic Pump
Titan 449-751 Hydraulic Pump

Item No: 7

Part #: 449-751

Titan 449-751 Hydraulic pump or Pump hydraulic Low Pressure is a genuine OEM replacement component d...

Retail Price: $1657.50
You save: $265.2 (16.00%)
Our Price: $1392.30
QTY:
Titan 431-042 Tube connector
Titan 431-042 Tube connector

Item No: 8

Part #: 431-042

Titan 431-042 Tube connector

Retail Price: $37.50
You save: $2.06 (5.49%)
Our Price: $35.44
QTY:
Titan 858-636 Bracket Screw
Titan 858-636 Bracket Screw

Item No: 9

Part #: 858-636

  Part 858-636 is a genuine Bracket Screw used to secure critical components—such as m...

$2.10
QTY:
Titan 325-031 O-Ring
Titan 325-031 O-Ring

Item No: 11

Part #: 325-031

Part number 325-031 is a precision O-Ring used to create leak-proof seals in fluid and air systems a...

$3.50
QTY:
Titan 860-002 Lock washer
Titan 860-002 Lock washer

Item No: 13

Part #: 860-002

Titan 860-002 Lock Washer – Genuine OEM Quality by Titan The Titan 860-002 Lock Washer is a genui...

$2.50
QTY:
Titan 0537919 Chain, cut to length, 19
Titan 0537919 Chain, cut to length, 19"(replaces Titan 424-283)

Item No: 14

Part #: 0537919

Titan 0537919 Chain, cut to length, 19" - Durable and Versatile replaces Titan 424-283 Titan 053791...

Retail Price: $74.80
You save: $6.21 (8.30%)
Our Price: $68.59
QTY:
Titan 424-236 Black Return Hose Assembly, 31
Titan 424-236 Black Return Hose Assembly, 31"

Item No: 15

Part #: 424-236

  Part number 424-236 is a Black Return Hose Assembly, 31" used in PowrLiner 4900 and 49...

Retail Price: $135.50
You save: $14.09 (10.40%)
Our Price: $121.41
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Titan 451-029 Fitting,1/2nptx3/4-16 Straight
Titan 451-029 Fitting,1/2nptx3/4-16 Straight

Item No: 16

Part #: 451-029

  Part number 451-029 is a straight fitting with 1/2" NPT threads on one end and 3/4-16 ...

$10.30
QTY:
Titan 858-621 Socket Screw
Titan 858-621 Socket Screw

Item No: 19

Part #: 858-621

  Part 858-621 is a socket screw used to secure critical components in pump and drive as...

$2.40
QTY:
Titan 858-624 Screw
Titan 858-624 Screw

Item No: 21

Part #: 858-624

SprayTech part 858-624 is a screw fastener used in airless sprayer assemblies to secure components a...

$2.40
QTY:
Titan 449-605 Tank Gasket
Titan 449-605 Tank Gasket

Item No: 22

Part #: 449-605

  Titan part 449-605 is a tank gasket used to create a leak‑proof seal between the pai...

$19.30
QTY:
Titan 472-500 Elbow, Street
Titan 472-500 Elbow, Street

Item No: 24

Part #: 472-500

  Part 472-500 is a street elbow used to change fluid direction in tight spaces on PowrL...

$24.60
QTY:
Titan 448-208 Inlet Screen 1/2
Titan 448-208 Inlet Screen 1/2" 100 Mesh

Item No: 25

Part #: 448-208

    Part number 448-208 is a 1/2" 100 Mesh Inlet Screen designed for compatible PowrLine...

Retail Price: $79.30
You save: $6.58 (8.30%)
Our Price: $72.72
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Titan 862-410 Locknut
Titan 862-410 Locknut

Item No: 27

Part #: 862-410

  Genuine replacement part 862-410 is a locknut designed to securely fasten components w...

$3.10
QTY:
Titan 0509285 Flat Washer
Titan 0509285 Flat Washer

Item No: 28

Part #: 0509285

Titan 0509285 Flat Washer or Washer,flat 3/8 replaces Titan 862-001.Fits the following models: PowrL...

$3.40
QTY:
Titan 0509292 Lock washer
Titan 0509292 Lock washer

Item No: 29

Part #: 509292

Part 0509292 is a replacement lock washer used in various assembly points across a wide range of...

$3.80
QTY:
Titan 449-212 Plug, Tank with O-Ring
Titan 449-212 Plug, Tank with O-Ring

Item No: 30

Part #: 449-212

  This Titan 449-212 plug with O-ring is a direct replacement component designed for use...

$14.60
QTY:
Titan 192-228 Elbow
Titan 192-228 Elbow

Item No: 33

Part #: 192-228

  PowrBeast / PowrLiner / PowrTex / PowrTwin part 192-228 is an elbow fitting designed t...

Retail Price: $55.00
You save: $4.56 (8.29%)
Our Price: $50.44
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Titan 449-126 Hose Clamp
Titan 449-126 Hose Clamp

Item No: 34

Part #: 449-126

Titan 449-126 Hose clamp   This Titan 449-126 hose clamp is a direct replacement comp...

$11.10
QTY:
Titan 424-284 Pressure Hose Assembly
Titan 424-284 Pressure Hose Assembly

Item No: 36

Part #: 424-284

  Part number 424-284 is a Pressure Hose Assembly used in PowrLiner 4000, 4900XLT, 4900,...

Retail Price: $180.70
You save: $22.59 (12.50%)
Our Price: $158.11
QTY:
Titan 192-051 Elbow
Titan 192-051 Elbow

Item No: 37

Part #: 192-051

  PowrBeast / PowrDrive / PowrLiner / PowrTex / PowrTwin / Hydra X part 192-051 is an el...

$23.70
QTY:
Titan 101-205A Ground lug or Lug
Titan 101-205A Ground lug or Lug

Item No: 38

Part #: 101-205A

Titan 101-205A Ground lug or Lug, ground, modified

Retail Price: $40.20
You save: $0.8 (1.99%)
Our Price: $39.40
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Titan 451-220 Hydraulic Filter
Titan 451-220 Hydraulic Filter

Item No: 39

Part #: 451-220

  Part number 451-220 is a genuine hydraulic filter designed for use in PowrBeast, PowrL...

Retail Price: $83.00
You save: $6.89 (8.30%)
Our Price: $76.11
QTY:
Titan 449-609A Hydraulic By-Pass
Titan 449-609A Hydraulic By-Pass

Item No: 40

Part #: 449-609A

  Titan part 449-609A is a hydraulic by‑pass valve kit used to regulate hydraulic flow...

Retail Price: $37.70
You save: $2.07 (5.49%)
Our Price: $35.63
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Titan 449-626 Hydraulic Fluid Dipstick
Titan 449-626 Hydraulic Fluid Dipstick

Item No: 41

Part #: 449-626

  Titan part 449-626 is a Hydraulic Fluid Dipstick used to check the hydraulic fluid lev...

Retail Price: $71.60
You save: $5.94 (8.30%)
Our Price: $65.66
QTY:
Titan 449-614 Tube Assembly
Titan 449-614 Tube Assembly

Item No: 42

Part #: 449-614

  Titan part 449-614 is a Tube Assembly used to convey hydraulic fluid or paint between ...

Retail Price: $93.70
You save: $7.78 (8.30%)
Our Price: $85.92
QTY:
Titan 9811122 Nut
Titan 9811122 Nut

Item No: 43

Part #: 9811122

  Part 9811122 Nut is a genuine replacement fastener used across multiple Elite, Helix, ...

$2.13
QTY:
Titan 862-438 Thumb Screw
Titan 862-438 Thumb Screw

Item No: 44

Part #: 862-438

  Part number 862-438 is a thumb screw designed for tool‑free hand tightening and loos...

$8.60
QTY:
Titan 862-402 Acorn Nut
Titan 862-402 Acorn Nut

Item No: 45

Part #: 862-402

  Part number 862-402 is an acorn nut (also known as a cap nut) designed to provide a fi...

$8.70
QTY:
Titan 449-107 Mounting Plate Retainer
Titan 449-107 Mounting Plate Retainer

Item No: 46

Part #: 449-107

  Part number 449-107 is a Mounting Plate Retainer used in various PowrLiner, PowrTwin, ...

Retail Price: $38.40
You save: $2.11 (5.49%)
Our Price: $36.29
QTY:
Titan 449-135 Spacer
Titan 449-135 Spacer

Item No: 47

Part #: 449-135

  This Titan 449-135 spacer is a direct replacement component designed for use on compat...

Retail Price: $48.20
You save: $3.66 (7.59%)
Our Price: $44.54
QTY:
Titan 862-403 Bolt,Tap
Titan 862-403 Bolt,Tap

Item No: 48

Part #: 862-403

  Part number 862-403 is a bolt, tap designed to securely fasten components and create o...

$2.90
QTY:
Titan 862-493 Hexagonal Bolt
Titan 862-493 Hexagonal Bolt

Item No: 49

Part #: 862-493

Part number 862-493 is a Hexagonal Bolt used in critical mounting applications across an extensive r...

$7.20
QTY:
Titan 451-121 Elbow
Titan 451-121 Elbow

Item No: 50

Part #: 451-121

Titan 451-121 Elbowfits: Titan 8950 (2-Gun) SPEEFLO PowrLiner,Titan 12000XLT DI (459-350) PowrTwin G...

$24.10
QTY:
Titan 941-555 Ball Valve
Titan 941-555 Ball Valve

Item No: 51

Part #: 941-555

Part 941-555 is a replacement ball valve for a wide range of compatible spray equipment. This va...

Retail Price: $157.90
You save: $19.74 (12.50%)
Our Price: $138.16
QTY:

Titan PowrLiner 4900 Hydraulic System Assembly – P/N 779-027

The Hydraulic System Assembly (P/N 779-027) for the Titan PowrLiner 4900 controls hydraulic power transfer from the engine to the pump system. This assembly is critical for maintaining consistent pressure output, smooth pump cycling, and reliable striping performance in demanding pavement and field marking applications.

Fits Titan PowrLiner 4900 (Hydraulic / Gas Model)
Part Number 779-027
Used On Pavement striping, municipal roadwork, athletic fields
Function Transfers hydraulic energy to drive pump system
Assembly Components May Include:
  • Hydraulic Pump
  • Hydraulic Motor
  • Reservoir Tank
  • Hydraulic Lines & Fittings
  • Pressure Control Components
  • Mounting Brackets
  • Return Lines
  • Seals & O-Rings
  • Hydraulic Filter
  • Hardware & Fasteners

Product Overview

The Titan PowrLiner 4900 Hydraulic System Assembly (P/N 779-027) is responsible for converting engine power into hydraulic energy that drives the fluid pump. This system ensures smooth pump cycling, stable spray pressure, and consistent line application during high-demand striping operations.

Hydraulic-driven stripers are built for durability and continuous use. Maintaining the hydraulic assembly is essential to avoid pressure loss, overheating, or premature wear of pump components.

Why the Hydraulic System Is Critical

  • Maintains consistent pump pressure
  • Supports heavy-duty striping operations
  • Ensures smooth and controlled pump cycling
  • Reduces mechanical strain compared to direct-drive systems
  • Extends overall machine longevity

Signs Hydraulic Components Need Service

  • Loss of spray pressure
  • Hydraulic fluid leaks
  • Overheating during operation
  • Unusual noise from pump or motor
  • Erratic pump cycling

Compatibility

Machine Model Power Type
Titan PowrLiner 4900 Hydraulic / Gas Model

Frequently Asked Questions

It transfers hydraulic power from the engine to the pump system, enabling high-pressure spray performance.

Yes. Part number 779-027 corresponds to the hydraulic system assembly used on the Titan PowrLiner 4900.

Hydraulic fluid levels and condition should be inspected regularly according to maintenance schedules to ensure optimal performance.

Yes. Leaks can reduce system efficiency and lead to unstable pressure output.

No. The hydraulic system assembly is separate from the fluid section and pump components.

Related Products

PowrLiner 4900 Fluid Section Parts

Pump rebuild components including pistons, packings, and valve assemblies.

PowrLiner 4900 Engine Assembly Parts

Gas engine components and mounting hardware for reliable operation.

PowrLiner 4900 Accessories

Spray guns, hoses, tips, and performance add-ons for expanded striping capability.

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