Please wait while we process your order...

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

Click a marker on the diagram to see that part's details
PowrLiner 4900XLT Hydraulic System Assembly (P/N 779-027)
View:
-
Item
Titan 941-555 Ball Valve
Titan 941-555 Ball Valve
Part #: 941-555
UPC: 612560104779
  OEM Titan Fluid Control Component Titan 941-555 Ball Valve is an OEM flow control compone...
$138.16
$157.90Save 13%
QTY:
Buy Now
-
Titan 941-555 Ball Valve −13%
Titan
Titan 941-555 Ball Valve
Part #: 941-555
$138.16 $157.90 Save $19.74
Buy Now
1
Item
Titan 313-755 Pressure Control Knob Deca or Decal
Titan 313-755 Pressure Control Knob Deca or Decal
Part #: 313-755
UPC: 612560148599
Part 313-755 is a replacement pressure control knob decal for a wide range of compatible spray e...
$4.50
QTY:
Buy Now
2
Item
Titan 862-414 Set Screw
Titan 862-414 Set Screw
Part #: 862-414
UPC: 612567384808
  PowrLiner / PowrTex / PowrTwin part 862-414 is a set screw designed to secure componen...
$2.00
QTY:
Buy Now
2
Titan 862-414 Set Screw Genuine OEM
Titan
Titan 862-414 Set Screw
Part #: 862-414
$2.00
Buy Now
3
Item
Titan 448-243 Pressure Control Knob
Titan 448-243 Pressure Control Knob
Part #: 448-243
UPC: 612567410095
Part 448-243 is a replacement pressure control knob used on compatible PowrTwin, PowrTex, PowrLi...
$88.40
$96.40Save 8%
QTY:
Buy Now
3
Titan 448-243 Pressure Control Knob −8%
Titan
Titan 448-243 Pressure Control Knob
Part #: 448-243
$88.40 $96.40 Save $8.00
Buy Now
4
Item
Titan 449-286 Low Compensator
Titan 449-286 Low Compensator
Part #: 449-286
UPC: 612567416967
  Titan part 449-286 is a low compensator used to regulate hydraulic pressure in the spr...
$839.33
$999.20Save 16%
QTY:
Buy Now
4
−16%
Titan
Titan 449-286 Low Compensator
Part #: 449-286
$839.33 $999.20 Save $159.87
Buy Now
5
Item
Titan 860-520 Set Screw
Titan 860-520 Set Screw
Part #: 860-520
UPC: 612560097965
  Genuine replacement part 860-520 is a set screw used to secure components such as pull...
$2.00
QTY:
Buy Now
5
Genuine OEM
Titan
Titan 860-520 Set Screw
Part #: 860-520
$2.00
Buy Now
6
Item
Titan 448-250 Pulley/Fan Assembly
Titan 448-250 Pulley/Fan Assembly
Part #: 448-250
UPC: 612567403998
  Titan part 448-250 is a pulley/fan assembly designed for use on compatible PowrLiner a...
$248.48
$288.60Save 14%
QTY:
Buy Now
6
Titan 448-250 Pulley/Fan Assembly −14%
Titan
Titan 448-250 Pulley/Fan Assembly
Part #: 448-250
$248.48 $288.60 Save $40.12
Buy Now
8
Item
Titan 449-751 Hydraulic Pump
Titan 449-751 Hydraulic Pump
Part #: 449-751
UPC: 612564155777
  Part 449-751 is a genuine hydraulic pump designed for use in PowrLiner and PowrTwin airless ...
$1,392.30
$1,657.50Save 16%
QTY:
Buy Now
8
Titan 449-751 Hydraulic Pump −16%
Titan
Titan 449-751 Hydraulic Pump
Part #: 449-751
$1,392.30 $1,657.50 Save $265.20
Buy Now
9
Item
Titan 431-042 Tube Connector
Titan 431-042 Tube Connector
Part #: 431-042
UPC: 612560131973
  Titan part 431-042 is a tube connector used to join fluid or air lines in the sprayer'...
$35.44
$37.50Save 5%
QTY:
Buy Now
9
−5%
Titan
Titan 431-042 Tube Connector
Part #: 431-042
$35.44 $37.50 Save $2.06
Buy Now
10
Item
Titan 858-636 Bracket Screw
Titan 858-636 Bracket Screw
Part #: 858-636
UPC: 612560121813
  Part 858-636 is a genuine Bracket Screw used to secure critical components—such as m...
$2.10
QTY:
Buy Now
10
Genuine OEM
Titan
Titan 858-636 Bracket Screw
Part #: 858-636
$2.10
Buy Now
12
Item
Titan 325-031 O-Ring
Titan 325-031 O-Ring
Part #: 325-031
UPC: 612560094308
Part number 325-031 is a precision O-Ring used to create leak-proof seals in fluid and air systems a...
$3.50
QTY:
Buy Now
12
Titan 325-031 O-Ring Genuine OEM
Titan
Titan 325-031 O-Ring
Part #: 325-031
$3.50
Buy Now
14
Item
Titan 860-002 Lock washer
Titan 860-002 Lock washer
Part #: 860-002
UPC: 612560110770
Titan 860-002 Lock Washer – Genuine OEM Quality by Titan The Titan 860-002 Lock Washer is a genui...
$2.50
QTY:
Buy Now
14
Genuine OEM
Titan
Titan 860-002 Lock washer
Part #: 860-002
$2.50
Buy Now
15
Item
Titan 0537919 Chain, cut to length, 19"(replaces Titan 424-283)
Titan 0537919 Chain, cut to length, 19"(replaces Titan 424-283)
Part #: 0537919
UPC: 024964271597
Titan 0537919 Chain, cut to length, 19" - Durable and Versatile replaces Titan 424-283 Titan 053791...
$68.59
$74.80Save 8%
QTY:
Buy Now
15
−8%
Titan
Titan 0537919 Chain, cut to length, 19"(replaces Titan 424-283)
Part #: 0537919
$68.59 $74.80 Save $6.21
Buy Now
16
Item
Titan 424-236 Black Return Hose Assembly, 31"
Titan 424-236 Black Return Hose Assembly, 31"
Part #: 424-236
UPC: 024964205622
  Part number 424-236 is a Black Return Hose Assembly, 31" used in PowrLiner 4900 and 49...
$121.41
$135.50Save 10%
QTY:
Buy Now
16
−10%
Titan
Titan 424-236 Black Return Hose Assembly, 31"
Part #: 424-236
$121.41 $135.50 Save $14.09
Buy Now
17
Item
Titan 451-029 Fitting,1/2nptx3/4-16 Straight
Titan 451-029 Fitting,1/2nptx3/4-16 Straight
Part #: 451-029
UPC: 612567409310
  Part number 451-029 is a straight fitting with 1/2" NPT threads on one end and 3/4-16 ...
$10.30
QTY:
Buy Now
20
Item
Titan 858-621 Socket Screw
Titan 858-621 Socket Screw
Part #: 858-621
UPC: 612560139030
  Part 858-621 is a socket screw used to secure critical components in pump and drive as...
$2.40
QTY:
Buy Now
20
Genuine OEM
Titan
Titan 858-621 Socket Screw
Part #: 858-621
$2.40
Buy Now
21
Item
Titan 859-001 Seal Washer
Titan 859-001 Seal Washer
Part #: 859-001
Part 859-001 is a replacement seal washer used in fluid and hydraulic systems across a wide rang...
$2.10
QTY:
Buy Now
21
Titan 859-001 Seal Washer Genuine OEM
Titan
Titan 859-001 Seal Washer
Part #: 859-001
$2.10
Buy Now
22
Item
Titan 858-624 Screw
Titan 858-624 Screw
Part #: 858-624
UPC: 612560143723
  OEM Titan Fastener Component Titan 858-624 Screw is an OEM precision fastener used to sec...
$2.40
QTY:
Buy Now
22
Titan 858-624 Screw Genuine OEM
Titan
Titan 858-624 Screw
Part #: 858-624
$2.40
Buy Now
23
Item
Titan 449-605 Tank Gasket
Titan 449-605 Tank Gasket
Part #: 449-605
UPC: 612561336582
  Titan part 449-605 is a tank gasket used to create a leak‑proof seal between the pai...
$19.30
QTY:
Buy Now
23
Titan 449-605 Tank Gasket Genuine OEM
Titan
Titan 449-605 Tank Gasket
Part #: 449-605
$19.30
Buy Now
25
Item
Titan 472-500 Elbow, Street
Titan 472-500 Elbow, Street
Part #: 472-500
UPC: 612560098917
  Part 472-500 is a street elbow used to change fluid direction in tight spaces on PowrL...
$24.60
QTY:
Buy Now
25
Genuine OEM
Titan
Titan 472-500 Elbow, Street
Part #: 472-500
$24.60
Buy Now
26
Item
Titan 448-208 Inlet Screen 1/2" 100 Mesh
Titan 448-208 Inlet Screen 1/2" 100 Mesh
Part #: 448-208
UPC: 612567410644
    Part number 448-208 is a 1/2" 100 Mesh Inlet Screen designed for compatible PowrLine...
$72.72
$79.30Save 8%
QTY:
Buy Now
26
Titan 448-208 Inlet Screen 1/2" 100 Mesh −8%
Titan
Titan 448-208 Inlet Screen 1/2" 100 Mesh
Part #: 448-208
$72.72 $79.30 Save $6.58
Buy Now
28
Item
Titan 862-410 Locknut
Titan 862-410 Locknut
Part #: 862-410
UPC: 612560135780
  OEM Titan Fastening Component Titan 862-410 Locknut, 3/8" - 16 is an OEM locknut designed...
$3.10
QTY:
Buy Now
28
Genuine OEM
Titan
Titan 862-410 Locknut
Part #: 862-410
$3.10
Buy Now
30
Item
Titan 0509292 Lock washer
Titan 0509292 Lock washer
Part #: 0509292
UPC: 612567406609
  OEM Titan Fastening Component Titan 0509292 Lock Washer is an OEM split-ring lock washer ...
$3.80
QTY:
Buy Now
30
Genuine OEM
Titan
Titan 0509292 Lock washer
Part #: 0509292
$3.80
Buy Now
31
Item
Titan 449-212 Plug, Tank with O-Ring
Titan 449-212 Plug, Tank with O-Ring
Part #: 449-212
UPC: 612567410842
  This Titan 449-212 plug with O-ring is a direct replacement component designed for use...
$14.60
QTY:
Buy Now
31
Titan 449-212 Plug, Tank with O-Ring Genuine OEM
Titan
Titan 449-212 Plug, Tank with O-Ring
Part #: 449-212
$14.60
Buy Now
34
Item
Titan 192-228 Elbow
Titan 192-228 Elbow
Part #: 192-228
UPC: 612567410026
  PowrBeast / PowrLiner / PowrTex / PowrTwin part 192-228 is an elbow fitting designed t...
$50.44
$55.00Save 8%
QTY:
Buy Now
34
−8%
Titan
Titan 192-228 Elbow
Part #: 192-228
$50.44 $55.00 Save $4.56
Buy Now
35
Item
Titan 449-126 Hose Clamp
Titan 449-126 Hose Clamp
Part #: 449-126
UPC: 612560113962
Titan 449-126 Hose clamp   This Titan 449-126 hose clamp is a direct replacement comp...
$11.10
QTY:
Buy Now
35
Genuine OEM
Titan
Titan 449-126 Hose Clamp
Part #: 449-126
$11.10
Buy Now
37
Item
Titan 424-284 Pressure Hose Assembly
Titan 424-284 Pressure Hose Assembly
Part #: 424-284
UPC: 612567409594
  Part number 424-284 is a Pressure Hose Assembly used in PowrLiner 4000, 4900XLT, 4900,...
$158.11
$180.70Save 13%
QTY:
Buy Now
37
−13%
Titan
Titan 424-284 Pressure Hose Assembly
Part #: 424-284
$158.11 $180.70 Save $22.59
Buy Now
38
Item
Titan 192-051 Elbow
Titan 192-051 Elbow
Part #: 192-051
UPC: 612567410910
  PowrBeast / PowrDrive / PowrLiner / PowrTex / PowrTwin / Hydra X part 192-051 is an el...
$23.70
QTY:
Buy Now
38
Titan 192-051 Elbow Genuine OEM
Titan
Titan 192-051 Elbow
Part #: 192-051
$23.70
Buy Now
39
Item
Titan 101-205A Ground Lug
Titan 101-205A Ground Lug
Part #: 101-205A
UPC: 612560125026
  OEM Titan Electrical Component Titan 101-205A Ground Lug is an OEM electrical component d...
$39.40
$40.20Save 2%
QTY:
Buy Now
39
−2%
Titan
Titan 101-205A Ground Lug
Part #: 101-205A
$39.40 $40.20 Save $0.80
Buy Now
40
Item
Titan 451-220 Hydraulic Filter
Titan 451-220 Hydraulic Filter
Part #: 451-220
UPC: 612564156118
  Part number 451-220 is a genuine hydraulic filter designed for use in PowrBeast, PowrL...
$76.11
$83.00Save 8%
QTY:
Buy Now
40
Titan 451-220 Hydraulic Filter −8%
Titan
Titan 451-220 Hydraulic Filter
Part #: 451-220
$76.11 $83.00 Save $6.89
Buy Now
41
Item
Titan 449-609A Hydraulic By-Pass
Titan 449-609A Hydraulic By-Pass
Part #: 449-609A
UPC: 612561336612
  Titan part 449-609A is a hydraulic by‑pass valve kit used to regulate hydraulic flow...
$35.63
$37.70Save 5%
QTY:
Buy Now
41
Titan 449-609A Hydraulic By-Pass −5%
Titan
Titan 449-609A Hydraulic By-Pass
Part #: 449-609A
$35.63 $37.70 Save $2.07
Buy Now
42
Item
Titan 449-626 Hydraulic Fluid Dipstick
Titan 449-626 Hydraulic Fluid Dipstick
Part #: 449-626
UPC: 612564156026
  Titan part 449-626 is a Hydraulic Fluid Dipstick used to check the hydraulic fluid lev...
$65.66
$71.60Save 8%
QTY:
Buy Now
42
Titan 449-626 Hydraulic Fluid Dipstick −8%
Titan
Titan 449-626 Hydraulic Fluid Dipstick
Part #: 449-626
$65.66 $71.60 Save $5.94
Buy Now
43
Item
Titan 449-614 Tube Assembly
Titan 449-614 Tube Assembly
Part #: 449-614
UPC: 612567410132
  Titan part 449-614 is a Tube Assembly used to convey hydraulic fluid or paint between ...
$85.92
$93.70Save 8%
QTY:
Buy Now
43
Titan 449-614 Tube Assembly −8%
Titan
Titan 449-614 Tube Assembly
Part #: 449-614
$85.92 $93.70 Save $7.78
Buy Now
44
Item
Titan 9811122 Nut
Titan 9811122 Nut
Part #: 9811122
UPC: 024964190300
  OEM Titan Fastening Component Titan 9811122 Nut is an OEM locknut used to secure engine m...
$2.13
QTY:
Buy Now
44
Titan 9811122 Nut Genuine OEM
Titan
Titan 9811122 Nut
Part #: 9811122
$2.13
Buy Now
45
Item
Titan 862-438 Thumb Screw
Titan 862-438 Thumb Screw
Part #: 862-438
UPC: 612560095589
  Part number 862-438 is a thumb screw designed for tool‑free hand tightening and loos...
$8.60
QTY:
Buy Now
45
Titan 862-438 Thumb Screw Genuine OEM
Titan
Titan 862-438 Thumb Screw
Part #: 862-438
$8.60
Buy Now
46
Item
Titan 862-402 Acorn Nut
Titan 862-402 Acorn Nut
Part #: 862-402
UPC: 612560110534
  Part number 862-402 is an acorn nut (also known as a cap nut) designed to provide a fi...
$8.70
QTY:
Buy Now
46
Genuine OEM
Titan
Titan 862-402 Acorn Nut
Part #: 862-402
$8.70
Buy Now
47
Item
Titan 449-107 Mounting Plate Retainer
Titan 449-107 Mounting Plate Retainer
Part #: 449-107
UPC: 612567410941
  Part number 449-107 is a Mounting Plate Retainer used in various PowrLiner, PowrTwin, ...
$36.29
$38.40Save 5%
QTY:
Buy Now
47
−5%
Titan
Titan 449-107 Mounting Plate Retainer
Part #: 449-107
$36.29 $38.40 Save $2.11
Buy Now
48
Item
Titan 449-135 Spacer
Titan 449-135 Spacer
Part #: 449-135
UPC: 612560127686
  This Titan 449-135 spacer is a direct replacement component designed for use on compat...
$44.54
$48.20Save 8%
QTY:
Buy Now
48
−8%
Titan
Titan 449-135 Spacer
Part #: 449-135
$44.54 $48.20 Save $3.66
Buy Now
49
Item
Titan 862-403 Bolt,Tap
Titan 862-403 Bolt,Tap
Part #: 862-403
UPC: 612567387540
  Part number 862-403 is a bolt, tap designed to securely fasten components and create o...
$2.90
QTY:
Buy Now
49
Genuine OEM
Titan
Titan 862-403 Bolt,Tap
Part #: 862-403
$2.90
Buy Now
50
Item
Titan 862-493 Hexagonal Bolt
Titan 862-493 Hexagonal Bolt
Part #: 862-493
UPC: 612567410101
Part number 862-493 is a Hexagonal Bolt used in critical mounting applications across an extensive r...
$7.20
QTY:
Buy Now
50
Genuine OEM
Titan
Titan 862-493 Hexagonal Bolt
Part #: 862-493
$7.20
Buy Now
Titan 451-121 Elbow
Titan 451-121 Elbow
Part #: 451-121
UPC: 612564163390
PowrTwin part 451-121 is an Elbow used to redirect fluid flow at critical junctions within the pump ...
$24.10
QTY:
Buy Now
Titan 451-121 Elbow Genuine OEM
Titan
Titan 451-121 Elbow
Part #: 451-121
$24.10
Buy Now

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

The Hydraulic System Assembly (P/N 779-027) for the Titan PowrLiner 4900XLT gas model manages hydraulic pressure and transfers power from the engine to the pump system. This assembly is essential for maintaining smooth pump cycling, stable spray pressure, and consistent striping performance in professional pavement marking applications.

Fits Titan PowrLiner 4900XLT (Gas Model)
Part Number 779-027
System Hydraulic Drive Assembly
Used On Pavement striping, parking lots, airports, athletic fields
Hydraulic Assembly Components May Include:
  • Hydraulic Pump
  • Hydraulic Motor
  • Reservoir Tank
  • Hydraulic Hoses
  • Pressure Relief Components
  • Mounting Brackets
  • Drive Coupling
  • Filter Components
  • Fittings & Adapters
  • Seals & O-Rings

Product Overview

The Titan PowrLiner 4900XLT Hydraulic System Assembly (P/N 779-027) converts engine power into hydraulic energy to drive the pump system. This configuration allows for consistent pressure output and controlled pump operation under demanding striping conditions.

Proper hydraulic system function is critical for maintaining smooth spray performance, reducing mechanical stress, and preventing downtime during large-scale marking projects.

Why the Hydraulic System Is Important

  • Maintains consistent spray pressure
  • Supports smooth pump cycling
  • Reduces vibration and mechanical wear
  • Protects against pressure spikes
  • Extends equipment lifespan

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 Configuration
Titan PowrLiner 4900XLT Gas Engine / Hydraulic Drive

Frequently Asked Questions

It transfers engine power into hydraulic pressure to drive the pump system.

Yes. Part number 779-027 corresponds to the hydraulic system assembly for the Titan PowrLiner 4900XLT gas configuration.

Yes. Leaks can reduce pressure and lead to inconsistent spray output.

Yes. Regular inspection and replacement help maintain clean hydraulic fluid and stable operation.

No. The fluid section is listed separately from the hydraulic drive assembly.

Related Products

PowrLiner 4900XLT Fluid Section Parts

Pump pistons, packings, and valve assemblies.

PowrLiner 4900XLT Main Assembly

Structural frame and engine mounting components.

PowrLiner 4900XLT Accessories

Spray guns, hoses, and performance add-ons.

Added to cart

Your Cart
No items in cart.
Add more items
Total 0
Checkout Modify Cart