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Finance GuidesTrailer Finance Australia • Updated October 2026

Chattel Mortgage vs Finance Lease for Trailer Finance

These are the two most common ways businesses finance a trailer. They can have similar repayments, but they work differently for ownership, GST and tax.

Chattel mortgage in a nutshell

With a chattel mortgage, you own the trailer from day one. The lender lends you the money and registers a security interest over the trailer on the PPSR until the loan is repaid. It works much like a car loan, but for business use.

  • You can generally claim the GST on the purchase price upfront in your next BAS, if you're registered for GST.
  • You can generally claim the interest and depreciation on the trailer as business deductions.
  • A balloon payment can be added to lower your regular repayments.

Finance lease in a nutshell

With a finance lease, the lender buys the trailer and leases it to you for a fixed term. You pay rent, and at the end you can usually pay a residual amount to take ownership, refinance the residual, or hand the trailer back.

  • GST is included in each lease payment rather than claimed upfront on the purchase.
  • The lease payments are generally deductible as a business expense.
  • There's always a residual at the end, and for leases there are ATO guidelines on minimum residual values.

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Side by side

 Chattel mortgageFinance lease
Who owns the trailerYouThe lender, until you pay the residual
GSTClaimed upfront on the purchaseClaimed on each payment
Typical deductionsInterest and depreciationLease payments
End of termPay any balloon, then it's yours outrightPay the residual, refinance it, or return the trailer

Which suits who?

Chattel mortgage tends to suit GST-registered businesses that want to own the trailer, would like the GST back early to help cash flow, and plan to keep the trailer for a long time. It's the most common structure for owner-operators.

A finance lease can suit businesses that prefer to treat the trailer as an operating cost, that regularly upgrade equipment, or whose accountant prefers the lease treatment for their particular situation.

Talk to your accountant first. The right structure depends on your business's tax position, how you account for GST and your plans for the trailer. This page is general information, not tax advice.

Not running a business? Neither of these is for you. Personal buyers use consumer finance instead. See personal vs business trailer finance.

Common Questions

Frequently Asked Questions

Chattel mortgage is the most common structure for business trailer purchases in Australia, mainly because you own the trailer and can usually claim the GST upfront.
No. With a chattel mortgage you own the trailer. If you want to move it on, you sell it and repay any balance owing.
Yes. A chattel mortgage can include an optional balloon. A finance lease always has a residual value at the end of the term.

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Tell us about the trailer and we'll pass your enquiry to a specialist broker. Free, no obligation, and enquiring doesn't affect your credit score.