Verified Portable Models
Coverage is limited to Titan-documented Commander heavy-duty-cart configurations.
Ratio-Based Identification
Use the 20:1, 30:1, 40:1 or 60:1 configuration to narrow the correct pump system.
Six Active Product Links
Only six confirmed active product destinations are featured in the commercial cards.
Diagnosis Before Replacement
Inspection guidance focuses on genuine Commander assemblies and avoids speculative relationships.
Commander Portable Model Parts Overview
This is a model-specific replacement-parts category and exploded configuration table for portable SPEEFLO Commander air-powered airless sprayers. Titan’s portable-model table combines motor-pump assemblies 742-245, 742-183, 742-559 or 742-140 with air assembly 928-513, heavy-duty cart 590-301, model-specific outlet and filter assemblies, bleed line 840-209, siphon-hose assemblies and mounting kits according to the complete model.
Functions Supported by the Portable Assembly
Pneumatic Power Conversion
The Commander air motor converts compressed-air energy into reciprocating pump motion.
Coating Pressurization
The matched fluid pump draws and pressurizes coating material for airless delivery.
Contamination Control
The assigned outlet filter captures debris before material reaches downstream equipment.
Pressure Relief and Pickup
Bleed-line and siphon-hose assemblies support controlled depressurization and material intake.
Service Applications
Use this category for model-specific repair planning, preventive maintenance, complete pump replacement, air-motor service, outlet-filter servicing, bleed-line replacement, siphon-hose replacement and heavy-duty-cart restoration.
High-Value Commander Portable Replacement Parts
These six products appear on the live Commander portable-model category and correspond to documented assemblies.
Titan 245-555A Pump Assembly
Packaged leather/UHMWPE fluid-pump assembly for the verified 20:1 portable Commander configuration.
Titan 742-557A Commander Air Motor
Service replacement for air motor 742-557 used across verified 30:1, 40:1 and 60:1 portable configurations.
Titan 185-551A Pump Assembly
Complete fluid-pump assembly corresponding to the documented 30:1 portable Commander configuration.
Titan 140-556A Pump Service Assembly
Packaged replacement for fluid pump 140-556 used on verified 40:1 and 60:1 portable models.
Titan 920-554 Outlet Filter Assembly
Long 50-mesh outlet-filter assembly documented for selected 30:1 and 40:1 portable units.
Titan 840-209A Bleed Line Assembly
Packaged replacement for bleed-line assembly 840-209 supporting controlled pressure relief.
Buying Guide
1. Record the full model
Use 721-443, 731-441, 741-440, 761-411 or 761-461—not only the Commander name.
2. Confirm the ratio
The documented configurations use 20:1, 30:1, 40:1 or 60:1 component combinations.
3. Identify the assembly
Determine whether the failure is in the air motor, fluid pump, filter, bleed line, siphon hose or mounting system.
4. Match superseded numbers
Current packaged products may carry an A suffix while replacing the manual’s original number.
Maintenance
Relieve all pressure before service, inspect grounded high-pressure hoses before each use, keep the assigned outlet filter clean, verify secure connections, and inspect the siphon path for contamination. Titan specifies AirCare 311-011 for the air-motor lubricator.
Repair Planning
Document the model number, pressure ratio, current assembly numbers, symptom, coating type and service history. Inspect connected systems before ordering a complete assembly.
Fast Navigation
Commander Portable Model Parts FAQs
Which SPEEFLO Commander models are covered by this portable-parts page?
Titan’s portable-model table covers heavy-duty-cart models 721-443, 731-441, 741-440, 761-411 and 761-461 across verified 20:1, 30:1, 40:1 and 60:1 configurations.
How do I identify the correct Commander motor-pump assembly?
Match the complete model number and pressure ratio. Titan documents motor-pump assemblies 742-245, 742-183, 742-559 and 742-140 for the portable configurations shown in the Commander parts table.
Which air motors are used on Commander portable models?
Titan documents air motor 742-555 with the 20:1 configuration and air motor 742-557 with verified 30:1, 40:1 and 60:1 configurations. The live category lists packaged service replacement 742-557A for the documented 742-557 Commander air motor.
Which fluid pumps are confirmed for portable Commander units?
The portable-model table identifies fluid pump 245-555 for 20:1, 185-551 for 30:1, and 140-556 for the listed 40:1 and 60:1 configurations.
Why should the model ratio be verified before buying parts?
Commander configurations use different motor-pump, fluid-pump, filter, outlet and siphon combinations. Matching only the Commander name can produce an incorrect order.
What should be inspected when the sprayer loses pressure?
First diagnose the matched fluid pump, outlet filter, bleed line and siphon hose for leakage, blockage or wear. Confirm the exact configuration before replacement.
What should be checked if the air motor cycles irregularly?
Inspect air supply quality, air assembly 928-513, lubricator delivery and the correct air-motor components. Titan specifies AirCare 311-011 and a documented injection-rate procedure.
Which outlet filters are used on portable Commander models?
Titan identifies outlet filter assembly 920-554 for selected 30:1 and 40:1 portable configurations and outlet manifold filter assembly 920-605 for the documented 60:1 portable configuration.
Which siphon hoses are documented for portable models?
Titan documents siphon-hose assemblies 103-800, 103-806, 103-808 and 103-812, with the correct assembly selected by the complete portable model configuration.
How should pressure be relieved before servicing?
Lock the spray gun, shut off the pump, and use the pressure bleed valve or applicable PRIME/SPRAY control according to Titan’s pressure-relief procedure before opening pressurized connections.
Can a clogged filter be replaced without diagnosis?
Diagnosis should come first. Relieve pressure, inspect and clean the correct outlet-filter assembly, confirm material compatibility and check upstream contamination before replacement.
What information should be used when searching for Commander parts?
Use the complete model number, pressure ratio, assembly number, individual part number and operating symptom.
Find the Correct Commander Portable Part Before Ordering
Use the exploded category, complete model identification and operating symptom together.
- Complete Commander model number
- 20:1, 30:1, 40:1 or 60:1 ratio
- Titan assembly or product part number
- Operating symptom or component name